CLASS 6 CHEMISTRY: WATER

What is the liquid that dissolves a solute called?

A homogeneous mixture of a solute in a solvent is known as what?

What term describes the maximum amount of solute that can dissolve in a given amount of solvent at a specific temperature?

What type of solution can dissolve more solute at a given temperature?

What term describes a solution that cannot dissolve any more solute at a given temperature?

What is water that is safe for drinking called?

What type of water is not considered potable because it lacks dissolved salts and can deplete essential minerals from the body?

What is the contamination of water by pollutants called?

What is the act of preventing water wastage called?

What process describes water moving from the earth's surface to the atmosphere and back?

What is the chemical formula for water?

Which property of water allows it to absorb a lot of heat without a significant temperature change?

What is the process where water changes from a liquid to a gas?

In the context of solutions, what is the substance that dissolves in a solvent called?

What is water's role as a 'universal solvent' mean?

Which of the following is a crucial way water is used in agriculture?

What causes water to have a slightly positive charge on the hydrogen atoms and a slightly negative charge on the oxygen atom?

Which process in the water cycle involves water vapor turning into clouds?

In what three states does water exist?

Which of the following describes water's role as a habitat?

Which of the following properties of water is most responsible for its ability to moderate temperature fluctuations in large bodies of water?

How does water's polarity contribute to its role as a 'universal solvent'?

Which of the following best illustrates the property of cohesion in water?

During the water cycle, which process directly involves a change in state from liquid to gas?

Why is water conservation important even in regions with plentiful freshwater resources?

How does water's high surface tension affect organisms living in aquatic ecosystems?

Which human activity least contributes to water conservation efforts?

How might changes in the water cycle due to climate change affect agricultural practices?

How does the arrangement of hydrogen and oxygen atoms in a water molecule contribute to its polarity?

Which industrial process typically utilizes water primarily for cooling purposes?

How does temperature typically affect the solubility of a solid solute in water?

Which of these activities is LEAST likely to contribute to water conservation?

Why is distilled water not recommended for regular human consumption?

In a water purification plant, what is the primary purpose of the sedimentation process?

How does the burning of fossil fuels contribute to the water cycle?

Which of the following human activities is most likely to cause thermal pollution in water bodies?

What distinguishes a saturated solution from an unsaturated solution at a given temperature?

Which property of water is most responsible for its ability to dissolve a wide range of substances?

Why is chlorination an important step in making water potable?

How does drip irrigation contribute to water conservation in agriculture compared to traditional flood irrigation?

Why is the consideration of temperature crucial when determining the solubility of a substance in water?

What is the primary distinction between potable water and distilled water regarding their suitability for human consumption?

Which of the following actions would LEAST effectively address the issue of water pollution from agricultural runoff?

How does the construction of dams primarily contribute to water conservation efforts?

What is the most significant long-term risk associated with the continuous consumption of distilled water?

How does thermal pollution primarily affect aquatic ecosystems?

Which statement accurately describes sustainability practices in water usage for industrial purposes?

Considering water's role as a coolant in both industrial processes and the human body, which property of water is most crucial for this function?

How does the polarity of water molecules contribute to water's high surface tension?

Which alteration to the water cycle would pose the most significant threat to agriculture, based on water's role in irrigation and plant growth?

How would a decrease in water's polarity most likely affect its ability to act as a universal solvent?

In the water cycle, what is the most significant consequence of increased global temperatures on the rate of evaporation and precipitation patterns?

If a certain marine organism thrives in a habitat with high water cohesion, which environmental change would most critically threaten its survival?

Considering the importance of water in industrial cooling and manufacturing, what long-term effect would widespread thermal pollution have on water availability and usability?

How does the existence of water in all three states (solid, liquid, gas) significantly contribute to the Earth's climate system and energy balance?

Water is not important for human survival.

The chemical formula for water is $H_3O$.

Water has a low specific heat capacity.

Evaporation is when water falls to the ground as rain.

Water exists in two states – Solid and liquid only.

A solvent is a substance that dissolves a solute to form a solution.

A homogenous mixture of a solvent in a solute is called a solution.

Solubility refers to the minimum amount of solute that can dissolve in a given amount of solvent.

An unsaturated solution cannot dissolve any more solute at a given temperature.

Potable water is safe for drinking and human consumption.

A solvent is a homogenous mixture containing a solute and a solution.

Solubility refers to the rate at which a solute dissolves in a solvent, typically measured in grams per minute.

An unsaturated solution contains the maximum possible amount of dissolved solute at a given temperature.

Potable water must contain a high concentration of dissolved minerals to be considered safe for drinking.

Distilled water is recommended for daily consumption because it contains essential salts and minerals beneficial for the human body.

Water pollution is solely caused by industrial chemical runoff; domestic sewage and natural bacteria do not contribute.

The water cycle involves only evaporation and precipitation, completely excluding the role of living organisms and combustion processes.

Water's ability to dissolve a wide array of substances makes it a universal solute.

Sedimentation, filtration, and fluoridation are the primary steps in a water purification plant to ensure potable water.

Drip irrigation is considered a method of water conservation in agriculture because it minimizes water wastage compared to traditional methods.

Due to its low specific thermal capacity, water experiences significant temperature changes with only slight heat absorption or release.

Water molecules strongly repel each other due to a property called high cohesion, preventing surface tension.

The process where water transforms from a liquid to a gaseous state and enters the atmosphere is known as precipitation.

Water being a polar molecule means it has evenly distributed electrical charges, making it a poor solvent for ionic compounds.

The chemical formula of water is HO3, indicating one hydrogen atom and three oxygen atoms.

Because of its inability to dissolve a wide array of substances, water is a poor solvent.

Water’s primary role in the human body is to provide structural support, similar to the function of bones.

When water condenses, it transitions directly from a gaseous state to a solid state, bypassing the liquid phase.

A substance that dissolves in a liquid to form a solution is called a solvent.

The presence of water in its solid, liquid and gaseous forms is unique to Earth when compared to other planets in our solar system.

Water is not essential for human survival.

Water helps regulate body temperature.

Water is a non-polar molecule.

Condensation is when water falls to the ground as rain, snow, or hail.

A liquid that allows a solute to dissolve is called a solution.

A homogenous mixture of a solute in a solvent is called a solution.

Water pollution is the process of purification of water by removing pollutants.

Distilled water is considered potable water because it is very pure.

Water covers almost ¾ of the earth’s surface.

A solvent is the substance that is being dissolved in a solution.

A heterogeneous mixture of solute and solvent is called a solution.

Solubility is the minimum amount of solute that will dissolve completely in 200g of water at a specific temperature.

An unsaturated solution can dissolve more solute at a given temperature.

A saturated solution can dissolve additional solute at a given temperature.

Potable water contains harmful germs and bacteria, making it unsafe to drink.

Distilled water is ideal potable water because it contains essential salts.

The contamination of water by pollutants like bacteria, viruses, and chemicals is known as water purification.

Cooling discharged water and using effective sewage systems can help prevent water pollution.

Water conservation involves actions that increase water wastage such as using potable water for irrigation.

Due to its high surface tension, water can easily deform under minimal external forces.

The polarity of water molecules, with a slightly positive charge on the oxygen atom and a slightly negative charge on the hydrogen atoms, is essential for its solvent properties.

During condensation, water transitions directly from a gaseous state to a solid state, bypassing the liquid phase entirely.

The heat capacity of water is relatively low, causing rapid changes in temperature with the addition or removal of heat.

Water's primary role in industry is limited to its use as a direct ingredient in the final product.

Cohesion in water refers to the attraction between water molecules and molecules of a different substance.

The continuous movement of water from the Earth's surface to the atmosphere and back is known as the alkali cycle.

Due to water's inability to dissolve gases, aquatic life relies on other elements for respiration.

The chemical formula of water is HO3, which indicates one hydrogen atom and three oxygen atoms.

Based on the principles of water conservation, increasing water usage and ignoring leakages are recommended to ensure a sustainable water supply for the future.

Due to water's low specific heat capacity, marine ecosystems experience drastic temperature fluctuations, directly impacting the survival and reproductive cycles of aquatic organisms.

The continuous movement of water, driven solely by condensation and precipitation, defines the water cycle, ensuring a constant supply of freshwater to terrestrial ecosystems.

The unique molecular geometry of water, characterized by a bond angle of 180 degrees, minimizes its polar nature, thus significantly reducing its effectiveness as a solvent for ionic compounds.

Due to water's non-polar nature, it cannot dissolve a wide variety of substances.

The freezing point of water changes linearly with increasing pressure, meaning that at twice the standard atmospheric pressure, water freezes at exactly twice its normal freezing temperature

A saturated solution is characterized by its ability to dissolve additional solute at a given temperature, indicating a dynamic equilibrium where the rate of dissolving equals the rate of precipitation.

The universal solvent property of water arises solely from its polar nature, enabling it to effectively dissolve all ionic and polar compounds while remaining inert towards nonpolar substances.

The conservation of water primarily focuses on reducing water pollution from industrial and domestic sources, but it does not encompass strategies for efficient water usage in agriculture since this sector relies heavily on water consumption.

The process of the water cycle involves a unidirectional flow from the Earth's surface to the atmosphere and back, without any significant lateral or subsurface water movement, thus maintaining a closed system.

Distillation is a water purification method that effectively removes all impurities, including beneficial minerals, rendering it an ideal and universally recommended source of potable water for all populations.

Water is often called the '______ solvent' because it can dissolve a wide variety of substances.

Water helps to regulate body ______, preventing overheating.

The process by which water changes from a liquid to a gas is called ______.

Water molecules are attracted to each other through a property called ______, which helps hold them together.

A liquid that dissolves a solute is called a ______.

A homogenous mixture of solute and solvent is called a ______.

[Blank] is the term to describe the maximum amount of solute that will dissolve in a solvent at a particular temperature.

A solution that can dissolve more solute is considered ______.

Water that is safe for drinking is called ______ water.

Due to its ability to dissolve a wide array of substances such as sugar and salts, water is regarded as a '______'.

The continuous movement of water from the Earth’s surface to the atmosphere and back, involving processes like evaporation and precipitation, is known as the '______'.

Water is comprised of two hydrogen atoms and one oxygen atom; its chemical formula is '______'.

The process where water changes from a liquid to a gas and enters the atmosphere is known as '______'.

Because water molecules are attracted to each other, they tend to stick together, a property known as '______'.

[Blank] is the maximum amount of solute in grams that will dissolve completely in 100 g of water at a particular temperature.

When water vapor in the atmosphere cools and changes back into liquid form, creating clouds, this is known as '______'.

An ______ solution can dissolve more of the solute in a solvent at a given temperature.

The property of water that allows it to absorb a significant amount of heat without drastically changing temperature is known as its high '______'.

[Blank] water is fit for human consumption and should be clear, colorless, and free from harmful substances.

The substance that dissolves in a solvent to form a solution (e.g., sodium chloride in water) is known as the '______'.

When water is used to help regulate body temperature from the inside out, this is an example of how it '______ the body'.

[Blank] is completely free from dissolved salts, and its consumption can lead to a deficiency of essential salts in the human body.

The term for when water falls from the atmosphere to the Earth’s surface in the form of rain, snow, or hail is '______'.

The contamination of water by pollutants such as bacteria, viruses, sewage, and chemicals is known as ______.

Preventing wastage of water to ensure clean water availability involves ______ of water.

Water's ability to dissolve many substances makes it a ______.

The process of water moving from the earth's surface to the atmosphere and back is known as the ______.

Methods to prevent water pollution include proper sewage systems and ______ of water before discharge.

Due to its ability to dissolve a wide array of substances, water is often referred to as a '______'.

The continuous movement of water from the Earth's surface to the atmosphere and back, involving processes like evaporation and condensation, is known as the '______'.

Water's high '______' allows aquatic organisms to thrive, forming the basis for many ecosystems.

The substance that dissolves into a liquid to form a solution is called a '______'.

Water exists in three states - solid, liquid, and '______' depending on different temperatures.

The process where water is contaminated by bacteria, viruses, domestic sewage, and industrial chemicals is known as ______.

A ______ is a homogeneous mixture where a solute is dissolved within a solvent.

[Blank] water, though free from dissolved salts, is considered non-potable due to its tendency to deplete essential salts from the human body upon consumption.

[Blank] of water involves methods such as using recycled water, implementing rainwater harvesting, and employing drip irrigation in agriculture to minimize water wastage.

The ______ is the maximum amount of solute, measured in grams, required to achieve saturation in 100 grams of water at a specific temperature.

Name the three states of water.

What is water called because of its ability to dissolve many substances?

What is the process called where water changes from a liquid to a gas?

What is the term for water falling back to earth from the atmosphere?

What is the property of water that allows it to absorb a lot of heat without a large temperature change?

What is the attraction between water molecules called?

What is one way to conserve water?

What is the substance called that dissolves another substance in a solution?

What do we call a homogeneous mixture of a solute dissolved in a solvent?

What term describes the maximum amount of solute that can dissolve in a specific amount of solvent at a particular temperature?

What do we call water that is safe for humans to drink?

Give one example of a basic use of water?

Name one way to conserve water?

Explain the difference between a saturated and an unsaturated solution, and how adding more solute affects each at a given temperature.

Explain how water's polarity contributes to its role as a universal solvent.

Describe the process of the water cycle, including the key steps involved in the movement of water from the Earth's surface to the atmosphere and back.

Describe the relationship between water's high specific heat capacity and its ability to regulate temperature in both living organisms and large bodies of water.

Why is water often referred to as a 'universal solvent,' and what property of water allows it to dissolve so many different substances?

Outline the main steps involved in a typical water purification plant to convert raw water into potable water for household use.

Outline the three major processes of the water cycle and explain how each contributes to the continuous movement of water on Earth.

Explain how cohesion and surface tension benefit insects and other small organisms (e.g. water striders) in their aquatic environments.

What are the key differences between potable and distilled water?

Discuss two specific ways that water is vital for industrial processes, beyond just acting as a solvent.

Explain two methods for conserving water and briefly describe how each method helps reduce water wastage.

Explain why conserving water is important, even in regions with abundant water sources.

Identify three common pollutants that contribute to water pollution, and describe their potential sources.

Describe how the properties of water support aquatic ecosystems and its importance to marine life.

Describe the influence of hydrogen bonds on at least two unique properties of water.

Explain how the polarity of water molecules contributes to its high surface tension and cohesion properties.

Describe how water's high specific heat impacts the regulation of temperature in both living organisms and large bodies of water.

Analyze the importance of water as a universal solvent in biological systems, referencing specific examples of substances it dissolves.

Evaluate the potential long-term consequences if the natural water cycle were disrupted and water were no longer efficiently recycled.

Propose two innovative strategies, beyond conventional methods, for conserving water in agriculture, considering both technological advancements and sustainable practices.

Explain how the unique solvent properties of water contribute to both its vital role in sustaining life and its susceptibility to pollution.

Differentiate between a saturated and unsaturated solution, then explain how temperature affects the solubility of a solute in each type of solution.

Why is distilled water considered non-potable, and what implications does its consumption have on human health?

Describe the key processes involved in a typical water purification plant and explain how each process contributes to making water potable.

Discuss the difference between chemical and thermal water pollution, providing examples of the sources of each and their potential environmental impacts.