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Questions and Answers
What is the process of change of solid state into liquid state known as?
What is the process of change of solid state into liquid state known as?
- Evaporation
- Fusion (correct)
- Condensation
- Sublimation
Where does the heat energy go when a solid melts and its temperature remains the same?
Where does the heat energy go when a solid melts and its temperature remains the same?
- It escapes into the surroundings
- It gets hidden into the contents (correct)
- It increases the pressure
- It decreases the temperature
What term is used to describe heat energy absorbed by ice without showing a rise in temperature?
What term is used to describe heat energy absorbed by ice without showing a rise in temperature?
- Thermal conductivity
- Specific heat
- Sensible heat
- Latent heat (correct)
What is considered when heat energy is absorbed by ice without a rise in temperature?
What is considered when heat energy is absorbed by ice without a rise in temperature?
What term refers to the amount of heat energy required to change 1 kg of a solid into liquid at its melting point?
What term refers to the amount of heat energy required to change 1 kg of a solid into liquid at its melting point?
What characteristic defines solids based on the text?
What characteristic defines solids based on the text?
Why are solids described as having a 'negligible compressibility' in the text?
Why are solids described as having a 'negligible compressibility' in the text?
Based on the text, why is a sponge considered a solid even though it can be compressed?
Based on the text, why is a sponge considered a solid even though it can be compressed?
Why do sugar and salt, when kept in different jars, take the shape of the jar based on the text?
Why do sugar and salt, when kept in different jars, take the shape of the jar based on the text?
What characteristic distinguishes liquids from solids according to the text?
What characteristic distinguishes liquids from solids according to the text?
What happens when pouring a liquid from one container into another based on the text?
What happens when pouring a liquid from one container into another based on the text?
What is the process of particles changing directly from a gaseous state to a solid state?
What is the process of particles changing directly from a gaseous state to a solid state?
Which phenomenon involves particles from the surface of a liquid gaining enough energy to change into the vapor state?
Which phenomenon involves particles from the surface of a liquid gaining enough energy to change into the vapor state?
What measurable quantity is defined as the amount of heat energy required to change 1 kg of solid into a liquid at its melting point?
What measurable quantity is defined as the amount of heat energy required to change 1 kg of solid into a liquid at its melting point?
Which factor does NOT affect the rate of evaporation?
Which factor does NOT affect the rate of evaporation?
What is the heat energy required to change 1 kg of a liquid to gas at its boiling point known as?
What is the heat energy required to change 1 kg of a liquid to gas at its boiling point known as?
In which phenomenon do particles from the whole bulk of a liquid change into the vapor state?
In which phenomenon do particles from the whole bulk of a liquid change into the vapor state?
What conclusion can be drawn from the experiment involving dilution of potassium permanganate?
What conclusion can be drawn from the experiment involving dilution of potassium permanganate?
What is a key characteristic of particles of matter according to the text?
What is a key characteristic of particles of matter according to the text?
What is the main observation regarding the smell in the experiment using Dettol?
What is the main observation regarding the smell in the experiment using Dettol?
What does the experiment with ink and honey in water demonstrate?
What does the experiment with ink and honey in water demonstrate?
What does the observation about the small particles of matter suggest?
What does the observation about the small particles of matter suggest?
In the experiment with incense stick, what can be inferred about detecting the smell?
In the experiment with incense stick, what can be inferred about detecting the smell?
What are the two types of classifications of matter based on?
What are the two types of classifications of matter based on?
How did ancient Indian philosophers classify matter?
How did ancient Indian philosophers classify matter?
What is one significant characteristic of matter?
What is one significant characteristic of matter?
According to early schools of thought, how was the nature of matter described?
According to early schools of thought, how was the nature of matter described?
What will be discussed in subsequent chapters regarding matter?
What will be discussed in subsequent chapters regarding matter?
What is not a common characteristic of all matter?
What is not a common characteristic of all matter?
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