Properties of Gases and Liquids - Chemistry Quiz
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Questions and Answers

Which of the following sections discusses the properties of gases and liquids?

  • 4.0 Technologies Based on Properties of Fluids
  • 3.0 Properties of Gases and Liquids (correct)
  • 2.0 Properties of Mixtures and Fluids
  • 1.0 Fluids in Technological Devices

    • Viscosity is affected by temperature.

    True

    What is one factor that affects solubility?

    Temperature, pressure, or the nature of the solute/solvent.

    ___ law states that pressure applied to a confined fluid is transmitted undiminished throughout the fluid.

    <p>Pascal's</p> Signup and view all the answers

    Match the following topics with their corresponding subtopics:

    <p>Fluids in Technological Devices = WHMIS Symbols and Safety Procedures Properties of Mixtures and Fluids = Concentration and Solubility Properties of Gases and Liquids = Density and Buoyancy Technologies Based on Flow Rates = Designing a Fluid-Using Device</p> Signup and view all the answers

    What is the main purpose of the low-cost well pump developed by researchers?

    <p>To provide clean drinking water</p> Signup and view all the answers

    The particle model of matter helps explain the behavior of mixtures.

    <p>True</p> Signup and view all the answers

    Name one property of fluids discussed in this content.

    <p>Viscosity, density, or pressure.</p> Signup and view all the answers

    What are fluids?

    <p>Substances that can flow, including liquids and gases</p> Signup and view all the answers

    All hazardous materials have a hazard symbol label.

    <p>True</p> Signup and view all the answers

    What should you do before performing a lab activity involving fluids?

    <p>Review safety rules and laboratory procedures.</p> Signup and view all the answers

    Fluids are used in many __________ devices and everyday materials.

    <p>technological</p> Signup and view all the answers

    Match the items with their corresponding descriptions:

    <p>Bleach = Cleaning fluid that can be hazardous Oven cleaner = Product with a hazard symbol Warning labels = Indication of safety measures Hazard symbols = Visual warning of material hazards</p> Signup and view all the answers

    What should you always pay attention to when working in a lab with hazardous materials?

    <p>The warning labels and instructions from the teacher</p> Signup and view all the answers

    What is the significance of the shape of a hazard symbol?

    <p>It indicates how hazardous the material is.</p> Signup and view all the answers

    Only liquids are considered fluids.

    <p>False</p> Signup and view all the answers

    What was a key criterion for the water pump invented by Alan Plumtree and Alfred Rudin?

    <p>It should work continuously for 18 hours a day</p> Signup and view all the answers

    The new PVC pump rusts, making it less suitable for use in developing countries.

    <p>False</p> Signup and view all the answers

    What material was originally used for making pumps before PVC was adopted?

    <p>Iron and steel</p> Signup and view all the answers

    The Canadian scientists designed a pump that could be manufactured within __________ countries.

    <p>developing</p> Signup and view all the answers

    Match each country with its modification for the water pump:

    <p>Sri Lanka = Leather washer Malawi = Black metal spigot Developing countries = PVC material Canada = Original pump design inspiration</p> Signup and view all the answers

    What was one advantage of using leather washers instead of plastic washers in Sri Lanka?

    <p>They can be made locally</p> Signup and view all the answers

    Over 11,000 pumps are currently being used in various developing nations.

    <p>True</p> Signup and view all the answers

    What was the purpose of adapting the pump design for local conditions?

    <p>To make it suitable for local needs and materials</p> Signup and view all the answers

    What should you do before pouring substances into a test tube?

    <p>Place the test tube in a rack</p> Signup and view all the answers

    It is safe to look into test tubes or containers from the top.

    <p>False</p> Signup and view all the answers

    What should you do with any spills during a lab activity?

    <p>Clean them up immediately as instructed by your teacher.</p> Signup and view all the answers

    If glassware is cracked or broken, you should never use it and must follow your teacher's instructions for disposing of _____ glass.

    <p>broken</p> Signup and view all the answers

    Match the following safety rules with their descriptions:

    <p>Label chemicals = To avoid confusion Report spills = To ensure safety is maintained Use proper glassware = Avoid injuries Understand WHMIS symbols = To be aware of hazards</p> Signup and view all the answers

    What does safety in a science class primarily begin with?

    <p>The students' actions</p> Signup and view all the answers

    It is important to keep an eye open for possible hazards during lab activities.

    <p>True</p> Signup and view all the answers

    What is the significance of WHMIS safety symbols in a lab?

    <p>They provide important information about hazardous materials.</p> Signup and view all the answers

    Which drink has the highest concentration of juice crystals?

    <p>6 g of juice crystals in 25 mL of water</p> Signup and view all the answers

    To compare the concentrations of two solutions, the amount of solute must be the same in both solutions.

    <p>False</p> Signup and view all the answers

    What is the formula for calculating concentration in g/mL?

    <p>grams of solute / mL of solvent</p> Signup and view all the answers

    A solution with a concentration of 10 g in 50 mL of water can also be expressed as ______ g in 100 mL of water.

    <p>20</p> Signup and view all the answers

    Match the following drinks with their concentrations:

    <p>10 g in 50 mL = 0.2 g/mL 15 g in 100 mL = 0.15 g/mL 6 g in 25 mL = 0.24 g/mL</p> Signup and view all the answers

    What is the substance that dissolves in a solution called?

    <p>Solute</p> Signup and view all the answers

    A concentrated solution has small amounts of solute in the solvent.

    <p>False</p> Signup and view all the answers

    Which unit is often used for very low concentrations?

    <p>parts per million (ppm)</p> Signup and view all the answers

    What term is used to describe a solution with small amounts of solute?

    <p>Diluted solution</p> Signup and view all the answers

    How would you express 10 g of salt in 50 mL of water in terms of concentration per 100 mL?

    <p>20 g/100 mL</p> Signup and view all the answers

    It is unnecessary to have the same volume of solvent when comparing concentrations of different solutions.

    <p>False</p> Signup and view all the answers

    In a solution, the amount of solute dissolved in a specific amount of solvent is called __________.

    <p>concentration</p> Signup and view all the answers

    Match the following terms with their definitions:

    <p>Solvent = Substance that does the dissolving Solute = Substance that dissolves Concentrated Solution = Large amounts of solute in the solvent Diluted Solution = Small amounts of solute in the solvent</p> Signup and view all the answers

    Which of the following provides a way to describe the concentration of a solution?

    <p>Number of grams of solute per 100 mL of solution</p> Signup and view all the answers

    A solution with 50 g of solute in 100 mL of water has a concentration of 50 g/100 mL.

    <p>True</p> Signup and view all the answers

    What is typically added to a concentrated solution to make it diluted?

    <p>Water</p> Signup and view all the answers

    Study Notes

    Unit A: Mix and Flow of Matter

    • This unit covers fluids and mixtures
    • Everyday materials and technological devices use fluids
    • WHMIS symbols and safety procedures are important
    • The properties of mixtures and fluids are explained by the Particle Model of Matter
    • The properties of gases and liquids are explained by the Particle Model of Matter

    1.0 Fluids

    • Fluids are used in everyday materials and technological devices
    • Safety important and procedures to follow
    • Many uses of fluids

    2.0 Properties of Mixtures and Fluids

    • Properties explained by particle model of matter
    • Pure substances and mixtures
    • Concentration and solubility
    • Factors affecting solubility
    • Particle model of matter and the behaviour of mixtures

    3.0 Properties of Gases and Liquids

    • Viscosity and temperature effects
    • Density of fluids
    • Density, temperature, and buoyancy
    • Compression of fluids
    • Pressure in fluids (Pascal's Law)

    4.0 Technologies Based on Fluid Properties

    • Technologies based on solubility
    • Technologies based on flow rates and moving fluids
    • Designing a working model of a fluid-using device

    Canadian Invention

    • University of Waterloo researchers developed a low-cost shallow-well pump
    • Pump used in developing countries
    • Pump durable for continuous use (18 hours a day)
    • Pump inexpensive and easy to maintain
    • Pump helps bring clean drinking water to villages in developing countries

    New Technology from Old

    • Scientists noticed a suitable pump in a Mennonite community
    • Designed a hand pump with PVC tubing
    • Material easily available and inexpensive, thus less costly than iron and steel
    • PVC tubing doesn't rust, is light, and easy to install and maintain

    The New Drink Activity

    • Students conduct research on a new drink, "DrinkIT"
    • Goal to find a liquid that will suspend a fruit
    • Experiment with variety of liquids and fruits
    • A procedure must be approved by teacher before the experiment
    • Results reported to the company president

    Science and Technology

    • Technology solves practical problems
    • Properties of mixtures and fluids important in technological and scientific development
    • Three key steps in problem-solving: clearly defining the need, developing appropriate plans and designs, testing and evaluating those designs

    1.1 WHMIS Symbols and Safety Procedures

    • Review safety rules and basic lab skills
    • Importance of WHMIS symbols
    • Safety precautions for using substances
    • Understanding and following safety procedures
    • Importance of lab hazard labels
    • Handling materials safely for lab work

    1.2 The Many Uses of Fluids

    • Fluids are anything that has no fixed shape and can flow
    • Fluids used in many everyday materials
    • Examples of fluids and their uses
    • Fluids used for transportation, processing, and use of materials -Different types of fluids and their properties and uses

    2.1 Pure Substances and Mixtures

    • Matter categorized as pure substances or mixtures
    • Pure substance consists of only one kind of matter
    • Mixtures are combinations of different substances
    • Examples of pure substances and mixtures
    • Difficulty of classifying mixtures

    2.2 Concentration and Solubility

    • Dissolving substances in solutions (solvent and solute)
    • Concentrated solution = large solute amounts in small solvent amount
    • Dilute solution = small solute amounts in large solvent amount
    • Measuring concentration
    • Solubility is the maximum amount of solute that can dissolve in a given amount of solvent at a specific temperature
    • Saturated solution = No more solute will dissolve
    • Unsaturated solution = more solute can dissolve

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    Related Documents

    Unit A: Mix and Flow of Matter - PDF

    Description

    This quiz covers essential concepts related to the properties of gases and liquids, including factors that affect viscosity and solubility. It also discusses the principles of fluid dynamics and safety considerations when working with hazardous materials in a lab setting. Test your knowledge on these fundamental topics in chemistry!

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