Basic Chemistry Concepts Quiz: Exam!

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  • 1/15 Questions

    What will usually happen to matter that is cooled?

    • It Expands
    • It Will Change Taste
    • It Contracts
    • It Does Nothing
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About This Quiz

This Basic Chemistry Concepts Exam tests foundational knowledge in chemistry, covering thermal properties of matter, atomic structure, and chemical energy. It assesses understanding of how matter reacts to temperature changes, identifies mixtures, and explores the use of metals and chemical energy in practical applications.

Basic Chemistry Concepts Quiz: Exam! - Quiz

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  • 2. 

    Which of the following is an example of a mixture?

    • Mushroom

    • Vegetable Soup

    • Broccoli

    • Peas

    Correct Answer
    A. Vegetable Soup
    Explanation
    Vegetable soup is an example of a mixture because it is made up of different ingredients that are not chemically combined. In vegetable soup, various vegetables, spices, and liquids are combined together, but they retain their individual properties and can be separated. This is in contrast to a substance that is pure, where the components are chemically bonded and cannot be easily separated.

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  • 3. 

    What energy is stored in the form of chemical compounds?

    • Kicking Energy

    • Chemical Energy

    • Karmic Energy

    • Canning Energy

    Correct Answer
    A. Chemical Energy
    Explanation
    Chemical energy is the correct answer because it refers to the energy that is stored in the bonds between atoms and molecules within chemical compounds. When these bonds are broken or formed, energy is released or absorbed. This energy can be released through chemical reactions, such as combustion, and can be used to do work or produce heat. Therefore, chemical energy is a form of potential energy that is stored in chemical compounds.

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  • 4. 

    What is table salt's chemical name?

    • Halite Oxide

    • Ferrous Oxide

    • Sodium Chloride

    • Hydrogen Peroxide

    Correct Answer
    A. Sodium Chloride
    Explanation
    Table salt's chemical name is sodium chloride. Sodium chloride is a compound made up of sodium and chlorine ions. It is commonly used as a seasoning and preservative in food, as well as in various industrial processes. The other options, halite oxide, ferrous oxide, and hydrogen peroxide, are not the correct chemical names for table salt.

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  • 5. 

    What process causes molecules to move into areas that have fewer molecules?

    • Effusion

    • Difficult

    • Diffusion

    • Confusion

    Correct Answer
    A. Diffusion
    Explanation
    Diffusion is the process that causes molecules to move into areas that have fewer molecules. It is the spontaneous movement of particles from an area of higher concentration to an area of lower concentration. This movement occurs due to the random motion of particles and the desire to achieve equilibrium. As molecules move from an area of higher concentration to an area of lower concentration, they spread out and become evenly distributed, resulting in the equalization of concentration throughout the system.

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  • 6. 

    What metal is used in airplanes for its lightweight properties?

    • Lead

    • Uranium

    • Gold

    • Aluminum

    Correct Answer
    A. Aluminum
    Explanation
    Aluminum is used in airplanes for its lightweight properties. It has a low density, which makes it lighter than other metals. This is crucial in aircraft design as it allows for improved fuel efficiency and increased payload capacity. Additionally, aluminum has good corrosion resistance, high strength-to-weight ratio, and is easily formable, making it an ideal choice for constructing airplane structures.

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  • 7. 

    What particle in an atom has a positive charge?

    • Proton

    • Electron

    • Neutron

    • Neuron

    Correct Answer
    A. Proton
    Explanation
    The particle in an atom that has a positive charge is the proton. Protons are located in the nucleus of an atom and carry a positive charge. They are equal in magnitude but opposite in charge to the negatively charged electrons, which orbit around the nucleus. Neutrons, on the other hand, are neutral particles and do not carry any charge. A neuron, mentioned as an option, is a type of cell found in the nervous system and is unrelated to the structure of an atom.

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  • 8. 

    What device controls temperature with a switch?

    • Chemistry

    • Thermostat

    • Circuit

    • Thermistry

    Correct Answer
    A. Thermostat
    Explanation
    A thermostat is a device that controls temperature by using a switch. It is commonly used in heating, ventilation, and air conditioning systems to maintain a desired temperature. The switch in the thermostat turns on or off the heating or cooling system based on the temperature setting. This allows the thermostat to regulate the temperature in a room or building by activating or deactivating the heating or cooling system as needed.

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  • 9. 

    What is thermal energy that moves from warmer objects to cooler ones called?

    • Wear And Tear

    • Heat

    • Hope

    • Hitting

    Correct Answer
    A. Heat
    Explanation
    Thermal energy that moves from warmer objects to cooler ones is called heat. Heat is the transfer of thermal energy between objects with different temperatures. It flows naturally from a higher temperature object to a lower temperature object until both objects reach thermal equilibrium. This transfer of heat is a fundamental concept in thermodynamics and is responsible for many everyday phenomena such as conduction, convection, and radiation.

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  • 10. 

    What is the total energy of particles in matter called?

    • Air Pressure

    • Kicker Energy

    • Temperature

    • Thermal Energy

    Correct Answer
    A. Thermal Energy
    Explanation
    Thermal energy refers to the total energy of particles in matter. It is a measure of the internal energy of a substance, including both the kinetic energy of the particles and the potential energy associated with their positions and interactions.

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  • 11. 

    What is the smallest part of matter called?

    • Hiccup

    • Atom

    • Cell

    • Adam

    Correct Answer
    A. Atom
    Explanation
    An atom is the smallest part of matter that retains the properties of an element. It consists of a nucleus, which contains protons and neutrons, and electrons orbiting around the nucleus. Atoms combine to form molecules, which then make up all substances in the universe. The other options, hiccup, cell, and Adam, do not accurately describe the smallest part of matter.

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  • 12. 

    What is the splitting of atomic nuclei called?

    • Nuclear Dancing

    • Nuclear Fission

    • Nuclear Parting

    • Nuclear Fusion

    Correct Answer
    A. Nuclear Fission
    Explanation
    Nuclear fission is the splitting of atomic nuclei. In this process, the nucleus of an atom is divided into two or more smaller nuclei, releasing a large amount of energy. This is the process that powers nuclear reactors and atomic bombs. Nuclear fusion, on the other hand, is the process of combining two or more atomic nuclei to form a larger nucleus, which also releases a significant amount of energy. However, the correct answer in this case is nuclear fission, as it specifically refers to the splitting of atomic nuclei.

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  • 13. 

    What will happen to most matter that is heated?

    • It Expands

    • It Changes Color

    • It Contracts

    • Nothing

    Correct Answer
    A. It Expands
    Explanation
    When matter is heated, the particles within it gain energy and move faster. This increased movement causes the particles to spread out, resulting in expansion of the matter. This expansion occurs because the particles have more space between them, causing the matter to occupy a larger volume. Therefore, the correct answer is "It Expands."

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  • 14. 

    What is the unit defined as the energy needed to raise one gram of water by 1 degree Celsius?

    • California

    • Calamine

    • Calorie

    • Calcium

    Correct Answer
    A. Calorie
    Explanation
    A calorie is the unit defined as the energy needed to raise one gram of water by 1 degree Celsius.

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  • 15. 

    What do cooks use to tell when meat is done?

    • Meat Thermometer

    • Taste

    • Touch

    • Candy Thermometer

    Correct Answer
    A. Meat Thermometer
    Explanation
    Cooks use a meat thermometer to tell when meat is done because it provides an accurate measurement of the internal temperature of the meat. This is important because different types of meat require different internal temperatures to be considered safe and cooked to the desired level of doneness. By using a meat thermometer, cooks can ensure that the meat is cooked thoroughly and avoid undercooking or overcooking it. Taste and touch can also be indicators of doneness, but they are not as reliable or precise as a meat thermometer. A candy thermometer is not suitable for measuring the internal temperature of meat.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 16, 2015
    Quiz Created by
    Alfredhook3
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