Measurement Notebook Quiz 1

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  • 1/15 Questions

    When you see a safety symbol that is a picture of a skull and crossbones, it is a warning for what?

    • Pirates
    • Poison Safety
    • Cemetery
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About This Quiz

The 'Measurement Notebook Quiz 1' assesses knowledge in handling laboratory measurements and safety. It covers the use of tools like graduated cylinders, understanding safety symbols, and regulatory compliance with chemical documentation. Essential for students and professionals in scientific fields.

Laboratory Safety Quizzes & Trivia

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  • 2. 

    What would you use to measure 17.5 mL of liquid?

    • Beaker

    • Graduated cylinder

    • Test tube

    Correct Answer
    A. Graduated cylinder
    Explanation
    A graduated cylinder is used to measure liquids with precision, making it the most suitable option for measuring 17.5 mL of liquid. A beaker is not as accurate for measuring small volumes, and a test tube may not have the necessary markings for precise measurements. Therefore, a graduated cylinder is the best choice for this task.

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  • 3. 

    How many sig figs are in 150.3?

    • What's a sig fig?

    • 3

    • 4

    Correct Answer
    A. 4
    Explanation
    A significant figure (sig fig) is a digit in a number that carries meaning in terms of its precision. In the number 150.3, there are four digits: 1, 5, 0, and 3. All of these digits are considered significant because they are non-zero and are not trailing zeros after a decimal point. Therefore, the number 150.3 has four significant figures.

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  • 4. 

    You see bubbles being produced in a beaker.  What type of change does this indicate?

    • Physical change

    • Chemical change

    Correct Answer
    A. Chemical change
    Explanation
    Bubbles being produced in a beaker indicate a chemical change. This is because the formation of bubbles usually involves the release of gas, which is a result of a chemical reaction taking place. In a chemical change, the substances involved undergo a transformation at the molecular level, resulting in the formation of new substances with different properties.

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  • 5. 

    How many mm are in one centimeter?

    • 10 mm

    • 100 mm

    • 0.1 mm

    Correct Answer
    A. 10 mm
    Explanation
    One centimeter is equal to 10 millimeters.

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  • 6. 

    This state of matter has particles with the highest amount of kinetic energy.

    • Solid

    • Liquid

    • Gas

    Correct Answer
    A. Gas
    Explanation
    Gas is the state of matter with particles that have the highest amount of kinetic energy. In a gas, the particles are not held together tightly and are free to move around rapidly. This high kinetic energy results in the particles colliding frequently and with great force. As a result, gases can expand to fill the container they are placed in and have no fixed shape or volume. The other two states of matter, solid and liquid, have particles with lower kinetic energy and are more closely packed together.

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  • 7. 

    Hydrogen peroxide, formula H2O2, is an example of a(n)

    • Element

    • Compound

    • Mixture

    Correct Answer
    A. Compound
    Explanation
    Hydrogen peroxide, with the chemical formula H2O2, is classified as a compound. A compound is a substance that is composed of two or more different elements chemically bonded together. In the case of hydrogen peroxide, it consists of hydrogen and oxygen atoms bonded together in a specific ratio. This ratio is fixed, meaning that hydrogen peroxide will always have two hydrogen atoms and two oxygen atoms. Therefore, hydrogen peroxide fits the definition of a compound.

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  • 8. 

    This state of matter has the lowest amount of kinetic energy and the particles simply vibrate in place.

    • Solid

    • Liquid

    • Gas

    Correct Answer
    A. Solid
    Explanation
    Solids have the lowest amount of kinetic energy compared to liquids and gases. In solids, the particles are tightly packed and have strong intermolecular forces, which restrict their movement. As a result, the particles in a solid can only vibrate in place, without being able to move freely like in liquids or gases. This lack of movement gives solids their characteristic rigidity and shape.

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  • 9. 

    How many meters are in 1600 mm?

    • 16 m

    • 1.6 m

    • 0.16 m

    Correct Answer
    A. 1.6 m
    Explanation
    There are 1000 millimeters in a meter. Therefore, to convert millimeters to meters, we divide the number of millimeters by 1000. In this case, 1600 mm divided by 1000 equals 1.6 meters.

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  • 10. 

    Malleability is the ability to hammer or roll metal into thin sheets like aluminum foil.  What type of property is this?

    • Extensive physical property

    • Intensive physical property

    • Chemical

    Correct Answer
    A. Intensive physical property
    Explanation
    Malleability is an intensive physical property because it is a characteristic that does not depend on the amount of substance present. It is a property that describes the behavior of a material at the microscopic level, specifically its ability to be deformed under pressure without breaking. The fact that malleability is not dependent on the quantity of the material makes it an intensive property.

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  • 11. 

    Round 0.025437202 to 3 significant figures.

    • 0.03

    • 0.0254

    • 0.0255

    Correct Answer
    A. 0.0254
    Explanation
    When rounding a number to a certain number of significant figures, we look at the digit immediately to the right of the desired significant figure. If this digit is 5 or greater, we round up. If it is less than 5, we round down. In this case, the digit immediately to the right of the third significant figure (2) is 5, so we round up. Therefore, the correct answer is 0.0254.

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  • 12. 

    Like density, boiling points and melting points can be used to identify substances.  What type of property are they?

    • Chemical property

    • Extensive physical property

    • Intensive physical property

    Correct Answer
    A. Intensive physical property
    Explanation
    Boiling points and melting points are examples of intensive physical properties. Intensive physical properties do not depend on the amount of substance present and remain constant regardless of the quantity. In contrast, extensive physical properties, such as mass or volume, vary with the amount of substance. Since boiling points and melting points are characteristic properties of substances and do not change with the quantity, they are considered intensive physical properties.

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  • 13. 

    This state of matter is easily compressed.

    • Solid

    • Liquid

    • Gas

    Correct Answer
    A. Gas
    Explanation
    Gas is easily compressed because its particles are far apart and move freely. In a gas, the particles have high kinetic energy and are not held together tightly. This allows the gas to be easily compressed into a smaller volume by applying pressure. In contrast, solids and liquids have particles that are closely packed and have stronger intermolecular forces, making them more difficult to compress.

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  • 14. 

    Convert 0.02 kg of Na in mg of Na.

    • 0.00000002 mg Na

    • 2000 mg Na

    • 20,000 mg Na

    Correct Answer
    A. 20,000 mg Na
    Explanation
    The correct answer is 20,000 mg Na. To convert from kg to mg, we multiply by 1,000,000. So, 0.02 kg is equal to 20,000 mg.

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  • 15. 

    This document must be on file for all of our chemicals.  Without one of these we can't use the chemical.

    • MSDS

    • NFPA

    • ACME

    Correct Answer
    A. MSDS
    Explanation
    The document that must be on file for all of our chemicals is the MSDS (Material Safety Data Sheet). Without this document, we are unable to use the chemical. The MSDS provides important information about the potential hazards, safe handling procedures, and emergency response measures for each chemical. It is crucial to have this information readily available to ensure the safety of our employees and the proper handling of the chemicals.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 12, 2013
    Quiz Created by
    Vbknipp
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