Test 11 Chemical Building Blocks Chapter 1 Sections 1,2,&3

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  • 1/25 Questions

    Anything that has mass and takes up space is called

    • Matter.
    • Energy.
    • Heterogeneous.
    • Homogeneous.
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Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.

Basic Chemistry Quizzes & Trivia

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  • 2. 

    The ability to do work or cause change describes

    • temperature.

    • density.

    • matter.

    • energy.

    Correct Answer
    A. energy.
    Explanation
    The ability to do work or cause change is a fundamental characteristic of energy. Energy can exist in various forms such as kinetic energy, potential energy, thermal energy, and electromagnetic energy. It is the capacity of a system to perform work or transfer heat. Temperature, density, and matter are not directly related to the ability to do work or cause change, making energy the correct answer.

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  • 3. 

    The measurement of how much mass is contained in a given volume is called

    • Weight.

    • melting point.

    • boiling point.

    • density.

    Correct Answer
    A. density.
    Explanation
    Density is the measurement of how much mass is contained in a given volume. It is a characteristic property of a substance and is calculated by dividing the mass of the substance by its volume. Weight, melting point, and boiling point are not measurements of mass in a given volume, making density the correct answer.

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  • 4. 

    One example of a chemical change is

    • Filtering.

    • burning wood.

    • boiling water.

    • crushing a can

    Correct Answer
    A. burning wood.
    Explanation
    Burning wood is an example of a chemical change because it involves a chemical reaction. When wood is burned, it undergoes a combustion reaction where it reacts with oxygen in the air to produce heat, light, carbon dioxide, and water vapor. This chemical reaction results in the formation of new substances with different properties than the original wood, making it a clear example of a chemical change.

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  • 5. 

    All elements are composed of extremely small particles called

    • Compounds.

    • mixtures.

    • atoms.

    • molecules.

    Correct Answer
    A. atoms.
    Explanation
    All elements are composed of extremely small particles called atoms. Atoms are the basic building blocks of matter and cannot be further divided into simpler substances. Compounds are formed by the combination of different atoms, while mixtures are made up of two or more substances that are physically combined but not chemically bonded. Molecules, on the other hand, are formed when two or more atoms are chemically bonded together. Therefore, the correct answer is atoms.

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  • 6. 

    In the laboratory, volumes of liquid are usually measured with a(n)

    • electrode.

    • Scale.

    • triple-beam balance.

    • Graduated cylinder.

    Correct Answer
    A. Graduated cylinder.
    Explanation
    A graduated cylinder is commonly used in laboratories to measure the volume of liquids. It is a cylindrical container with markings on the side, allowing for precise measurement of liquid volume. Electrodes are typically used for measuring electrical properties, not volumes of liquid. Scales are used for measuring weight, not volume. Triple-beam balances are used for measuring mass, not volume. Therefore, the most appropriate instrument for measuring liquid volumes in a laboratory setting is a graduated cylinder.

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  • 7. 

    The energy of matter in motion is called

    • kinetic energy.

    • potential energy.

    • chemical energy.

    • electromagnetic energy

    Correct Answer
    A. kinetic energy.
    Explanation
    Kinetic energy refers to the energy possessed by an object due to its motion. This energy is dependent on the mass and velocity of the object. Potential energy, on the other hand, refers to the energy stored by an object based on its position or state. Chemical energy is the energy stored in the bonds of chemical compounds. Electromagnetic energy refers to the energy carried by electromagnetic waves, such as light or radio waves. Out of these options, kinetic energy is the most appropriate term to describe the energy of matter in motion.

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  • 8. 

    Substances that CANNOT be broken down chemically into other substances are

    • elements.

    • compounds.

    • mixtures.

    • Solutions.

    Correct Answer
    A. elements.
    Explanation
    Elements are substances that cannot be broken down chemically into other substances. They are composed of only one type of atom and cannot be further simplified or decomposed. In contrast, compounds are made up of two or more different elements chemically bonded together, mixtures are combinations of different substances that can be physically separated, and solutions are homogeneous mixtures where one substance is dissolved in another. Therefore, the correct answer is elements.

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  • 9. 

    How would you calculate the density of an object?

    • Divide its weight by its volume.

    • Divide its mass by its volume.

    • Multiply its volume times its mass.

    • Multiply its weight times its mass.

    Correct Answer
    A. Divide its mass by its volume.
    Explanation
    To calculate the density of an object, you need to divide its mass by its volume. Density is defined as the amount of mass per unit volume, so dividing the mass by the volume gives you the density value. This calculation allows you to determine how much mass is present in a given volume of the object, providing a measure of how tightly packed the particles are within the object.

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  • 10. 

    How do liquid water, ice, and water vapor differ from each other?

    • They are different states of matter.

    • They are different compounds.

    • They are made of different kinds of molecules.

    • They are made of different kinds of atoms.

    Correct Answer
    A. They are different states of matter.
    Explanation
    Liquid water, ice, and water vapor differ from each other because they exist in different states of matter. Liquid water is the state in which water is commonly found at room temperature, ice is the solid state of water that forms at lower temperatures, and water vapor is the gaseous state of water that occurs when water is heated. Each state has different properties and behaviors, such as density, shape, and ability to flow. The fact that they are different states of matter explains the differences between them.

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  • 11. 

    What holds atoms together in a molecule?

    • Density

    • Gravity

    • physical bonds

    • chemical bonds

    Correct Answer
    A. chemical bonds
    Explanation
    Chemical bonds hold atoms together in a molecule. Chemical bonds are formed when atoms share or transfer electrons, resulting in the formation of stable molecules. These bonds can be covalent, where electrons are shared between atoms, or ionic, where electrons are transferred from one atom to another. Chemical bonds play a crucial role in determining the properties and behavior of molecules, as they determine the arrangement and connectivity of atoms within a molecule.

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  • 12. 

    Lemonade consists of several substances that are NOT chemically combined, so lemonade is classified as a(n)

    • Element.

    • compound.

    • mixture.

    • pure substance.

    Correct Answer
    A. mixture.
    Explanation
    Lemonade is classified as a mixture because it consists of several substances that are not chemically combined. In a mixture, the substances retain their individual properties and can be physically separated. In the case of lemonade, it is made by mixing lemon juice, water, sugar, and other ingredients together, but they do not chemically react to form a new substance.

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  • 13. 

    One example of a physical change is

    • burning paper.

    • . baking cookies.

    • heating table sugar.

    • dissolving salt in water.

    Correct Answer
    A. dissolving salt in water.
    Explanation
    Dissolving salt in water is an example of a physical change because it does not alter the chemical composition of the substances involved. When salt is dissolved in water, it breaks down into individual ions, which become dispersed throughout the water. This process can be reversed by evaporating the water, leaving behind the original salt crystals. Therefore, the physical properties of the salt and water are changed, but the substances themselves remain the same.

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  • 14. 

    The measurement of the force of gravity on an object is the object’s

    • Mass.

    • volume.

    • weight.

    • density.

    Correct Answer
    A. weight.
    Explanation
    The measurement of the force of gravity on an object is its weight. Weight is the force exerted on an object due to gravity, and it is directly proportional to the mass of the object. The greater the mass, the greater the force of gravity and therefore the greater the weight.

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  • 15. 

    The measurement of how much matter an object contains is its

    • Volume.

    • weight.

    • mass.

    • melting point.

    Correct Answer
    A. mass.
    Explanation
    Mass is the measurement of how much matter an object contains. It is a fundamental property of matter and is independent of the object's location. Volume, on the other hand, is the amount of space occupied by an object. Weight is the force exerted on an object due to gravity, which can vary depending on the object's location. Melting point is the temperature at which a substance changes from a solid to a liquid state.

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  • 16. 

    Which of the following is NOT an example of a chemical change?

    • gas burning on a stove

    • rust forming on an iron fence

    • salt dissolving in a glass of water

    • using electricity to break down water into hydrogen and oxygen

    Correct Answer
    A. salt dissolving in a glass of water
    Explanation
    Salt dissolving in a glass of water is not an example of a chemical change because it is a physical change. In this process, the salt molecules are simply separating and dispersing throughout the water, but no new substances are being formed. The chemical composition of both the salt and the water remains the same.

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  • 17. 

    Fireworks exploding in the sky and giving off light are an example of a(n)

    • Endothermic change.

    • exothermic change.

    • Physical change.

    • change in mass.

    Correct Answer
    A. exothermic change.
    Explanation
    Fireworks exploding and giving off light is an example of an exothermic change because it releases energy in the form of light and heat. In an exothermic reaction, energy is released from the system into the surroundings, resulting in a temperature increase. The combustion of the fireworks produces a rapid release of energy in the form of heat and light, causing the explosion and the display of colors in the sky.

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  • 18. 

    Table sugar and table salt are examples of

    • atoms.

    • elements.

    • mixtures.

    • pure substances.

    Correct Answer
    A. pure substances.
    Explanation
    Table sugar and table salt are both pure substances because they are composed of only one type of molecule. Table sugar is made up of sucrose molecules, while table salt is made up of sodium chloride molecules. In contrast, mixtures are composed of two or more different substances that are physically combined, and elements are pure substances that cannot be broken down into simpler substances. Therefore, the correct answer is pure substances.

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  • 19. 

    The density of a block of wood with a volume of 50 cubic centimeters and a mass of 100 grams is

    • 2 g/cm3

    • 0.5 g/cm3

    • 500 g/cm3

    • 5,000 g/cm3

    Correct Answer
    A. 2 g/cm3
    Explanation
    The density of a substance is calculated by dividing its mass by its volume. In this case, the mass of the block of wood is given as 100 grams and the volume is given as 50 cubic centimeters. By dividing the mass (100 grams) by the volume (50 cubic centimeters), we get a density of 2 grams per cubic centimeter (g/cm3).

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  • 20. 

    If you describe methane as a gas that easily catches fire, you are describing a

    • state of matter.

    • physical property.

    • Chemical property.

    • chemical formula.

    Correct Answer
    A. Chemical property.
    Explanation
    Describing methane as a gas that easily catches fire indicates its behavior and reactivity, which is a characteristic of its chemical composition. This information pertains to the chemical property of methane rather than its physical state or formula.

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  • 21. 

    The change in which ice absorbs energy and melts is a(n)

    • Endothermic change.

    • exothermic change.

    • chemical change.

    • change in mass.

    Correct Answer
    A. Endothermic change.
    Explanation
    When ice absorbs energy and melts, it is undergoing an endothermic change. Endothermic changes absorb heat from the surroundings, causing a decrease in temperature. In this case, the ice absorbs energy from its surroundings, causing it to melt and transition from a solid to a liquid state.

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  • 22. 

    If you heat a liquid and measure the temperature at which it boils, you are measuring a(n)

    • Atomic property.

    • physical property.

    • chemical property.

    • molecular property.

    Correct Answer
    A. physical property.
    Explanation
    When you heat a liquid and measure the temperature at which it boils, you are measuring a physical property. This is because boiling point is a characteristic property of a substance that can be observed without changing its chemical composition. It is a measure of the temperature at which the vapor pressure of the liquid equals the atmospheric pressure, causing the liquid to change into a gas.

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  • 23. 

    The volume of an irregular object can be measured by

    • multiplying the object’s length, width, and height.

    • dividing the object’s density by its mass.

    • submerging the object in water in a graduated cylinder.

    • placing the object on a triple-beam balance.

    Correct Answer
    A. multiplying the object’s length, width, and height.
    Explanation
    The correct answer is multiplying the object's length, width, and height. This is because the volume of an irregular object can be calculated by measuring its dimensions and multiplying them together. By multiplying the length, width, and height, we can determine the amount of space the object occupies. This method is commonly used for objects that do not have a regular shape, such as rocks or pieces of wood.

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  • 24. 

    What characteristics listed below do photosynthesis and combustion NOT share?

    • Both involve chemical change.

    • Both are endothermic.

    • Both change energy from one form to another.

    • Both cause changes in matter.

    Correct Answer
    A. Both are endothermic.
    Explanation
    Photosynthesis and combustion do not share the characteristic of being endothermic. Combustion is an exothermic process, meaning it releases energy in the form of heat and light. On the other hand, photosynthesis is an endothermic process, as it requires energy from sunlight to convert carbon dioxide and water into glucose and oxygen.

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  • 25. 

    During photosynthesis, plants transform electromagnetic energy from the sun into

    • Electrical energy.

    • kinetic energy.

    • chemical energy.

    • thermal energy.

    Correct Answer
    A. chemical energy.
    Explanation
    During photosynthesis, plants use the energy from sunlight to convert carbon dioxide and water into glucose and oxygen. This process occurs in the chloroplasts of plant cells, specifically in the thylakoid membrane. The sunlight is absorbed by the chlorophyll pigment, which then transfers the energy to molecules that are involved in the synthesis of glucose. This glucose is stored as chemical energy in the plant, which can be later used for various metabolic processes such as growth, reproduction, and cellular respiration. Therefore, the correct answer is chemical energy.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Aug 25, 2011
    Quiz Created by
    Roy.manning
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