Start Learning The Basics Of Chemistry In This Quiz!

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Lmmurp2
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Quizzes Created: 20 | Total Attempts: 22,051
| Attempts: 433
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  • 1/20 Questions

    A campfire eventually burns out because

    • You stop giving it fuel (wood, paper, lighter fluid, etc)
    • The air temperature is too low
    • It does not have enough space
    • It gets too hot
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About This Quiz

Chemistry is the scientific discipline involved with elements and compounds composed of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during a reaction with other substances.
Start learning the basics of Chemistry in this Quiz!

Chemistry Quizzes & Trivia

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  • 2. 

    As water warms from 50°C to 85°C, the kinetic energy of the molecules will

    • Increase

    • Decrease

    • Stay the same

    Correct Answer
    A. Increase
    Explanation
    As water warms from 50°C to 85°C, the kinetic energy of the molecules will increase. This is because temperature is a measure of the average kinetic energy of the molecules in a substance. As the water is heated, the molecules gain more energy and move faster, resulting in an increase in their kinetic energy.

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  • 3. 

    As the amount of cooking time increases, the amount of heat transfer

    • Stays the same

    • Increases

    • Decreases

    Correct Answer
    A. Increases
    Explanation
    As the amount of cooking time increases, the amount of heat transfer increases. This is because the longer the food is exposed to heat, the more heat energy is transferred from the heat source to the food. This increased heat transfer leads to the food cooking more thoroughly and evenly.

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  • 4. 

    Ice can heat an object

    • Never

    • If the object is warmer than the ice

    • If the object is colder than the ice

    • Always

    Correct Answer
    A. If the object is colder than the ice
    Explanation
    If the object is colder than the ice, the ice can heat the object. This is because heat always flows from a higher temperature to a lower temperature. In this case, the object has a lower temperature than the ice, so heat will transfer from the ice to the object, causing the object to heat up.

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  • 5. 

    Heat is defined as

    • The amount of kinetic energy

    • The amount of potential energy

    • The amount of hotness

    • The amount of coldness

    Correct Answer
    A. The amount of kinetic energy
    Explanation
    Heat is defined as the amount of kinetic energy. This means that heat is a measure of the energy possessed by the particles in a substance, which is directly related to their motion. When the particles move faster, they have more kinetic energy and therefore the substance is hotter. Conversely, when the particles move slower, they have less kinetic energy and the substance is colder. Therefore, heat can be understood as the measure of the total kinetic energy of the particles in a substance.

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  • 6. 

    The temperature of a sample of pudding is a measure of the ___________ of the particles that make up the pudding.

    • Activation energy

    • Kinetic energy

    • Potential energy

    • Ionization energy

    Correct Answer
    A. Kinetic energy
    Explanation
    The temperature of a sample of pudding is a measure of the kinetic energy of the particles that make up the pudding. Temperature is a measure of the average kinetic energy of the particles in a substance. As the particles move faster and have more kinetic energy, the temperature of the substance increases. Therefore, the correct answer is kinetic energy.

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  • 7. 

    Using a solar cooker is an example of

    • Conduction

    • Convection

    • Radiation

    • Combustion

    Correct Answer
    A. Radiation
    Explanation
    Using a solar cooker involves the transfer of heat through radiation. Solar cookers use the sun's energy to heat up the food inside the cooker. The sun's rays, which are a form of electromagnetic radiation, are absorbed by the cooker and converted into heat energy. This heat energy is then transferred to the food, cooking it without the need for any other external source of heat. Conduction and convection involve the transfer of heat through direct contact or movement of a fluid, which is not the case in using a solar cooker. Combustion is the process of burning, which is also not applicable in this scenario.

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  • 8. 

    Heat transfers from ________ to ________

    • Hot, cold

    • Cold, hot

    • Air, water

    • Water, air

    Correct Answer
    A. Hot, cold
    Explanation
    Heat transfers from hot objects to cold objects due to the difference in temperature. This is known as thermal energy transfer. The hot object has more thermal energy, and it naturally flows to the colder object until both objects reach a state of thermal equilibrium. Therefore, the correct answer is "hot, cold."

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  • 9. 

    If I stick a metal skewer (stick) into a potato, the amount of cooking time required  will

    • Decrease

    • Stay the same

    • Increase

    Correct Answer
    A. Decrease
    Explanation
    When a metal skewer is stuck into a potato, it acts as a conductor of heat, allowing the heat to transfer more efficiently into the potato. This increased heat transfer speeds up the cooking process, reducing the amount of cooking time required. Therefore, the cooking time will decrease.

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  • 10. 

    Boiling spaghetti noodles is an example of

    • Conduction

    • Convection

    • Radiation

    • Combustion

    Correct Answer
    A. Convection
    Explanation
    Boiling spaghetti noodles involves the transfer of heat through the movement of particles in a liquid. When the water is heated, the molecules gain energy and move faster, causing them to rise and be replaced by cooler molecules. This creates a circular flow of heat energy within the liquid, known as convection. The noodles cook as they come into contact with the hot water, which is a result of the convection process. Therefore, boiling spaghetti noodles is an example of convection.

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  • 11. 

    An egg frying in a skillet is an example of

    • Conduction

    • Convection

    • Radiation

    • Combustion

    Correct Answer
    A. Conduction
    Explanation
    An egg frying in a skillet is an example of conduction because heat is transferred from the hot skillet to the egg through direct contact. Conduction occurs when heat energy is transferred between objects or substances that are in direct contact with each other. In this case, the heat from the skillet is conducted through the metal of the skillet and then to the egg, causing it to cook.

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  • 12. 

    When a liquid evaporates what cools?

    • The liquid

    • The gas

    • The surroundings

    • Nothing

    Correct Answer
    A. The surroundings
    Explanation
    When a liquid evaporates, the process requires energy. This energy is taken from the surroundings, causing them to cool down. Therefore, the surroundings cool when a liquid evaporates.

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  • 13. 

    If object X has a temperature of 90° C and object Y has a temperature of 20°C, when they are placed in contact with each other the final temperature of each will be approximately

    • 90°C

    • 20°C

    • 55°C

    • 110°C

    Correct Answer
    A. 55°C
    Explanation
    When object X with a temperature of 90°C and object Y with a temperature of 20°C are placed in contact with each other, heat will transfer from the hotter object (X) to the colder object (Y) until they reach thermal equilibrium. The final temperature will be somewhere between the initial temperatures of the two objects. Since the temperature difference between the two objects is 70°C (90°C - 20°C), the final temperature will be approximately halfway between the initial temperatures, which is 55°C.

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  • 14. 

    Solid X is placed in contact with solid Y.  Heat energy will flow spontaneously from X to Y when

    • X is 20°C and Y is 20°C

    • X is 10°C and Y is 5°C

    • X is -25°C and Y is -10°C

    • X is 25°C and Y is 30°C

    Correct Answer
    A. X is 10°C and Y is 5°C
    Explanation
    When two objects are in contact, heat energy will flow spontaneously from the object with higher temperature to the object with lower temperature until they reach thermal equilibrium. In this case, X is at a higher temperature (10°C) compared to Y (5°C), so heat energy will flow from X to Y.

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  • 15. 

    What are  2 requirements for a combustion reaction to occur?

    • Fuel & oxygen

    • Fuel & hydrogens

    • Carbon dioxide & oxygen

    • Water & oxygen

    Correct Answer
    A. Fuel & oxygen
    Explanation
    A combustion reaction occurs when fuel and oxygen are present. Fuel provides the necessary energy source for the reaction, while oxygen acts as the oxidizing agent. Without fuel, there would be no source of energy to initiate the reaction, and without oxygen, there would be no oxidizing agent to support the combustion process. Therefore, both fuel and oxygen are essential requirements for a combustion reaction to occur.

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  • 16. 

    Matter condensing is an _______________ process.

    • Endothermic

    • Exothermic

    • Excitation

    • Entrepidation

    Correct Answer
    A. Exothermic
    Explanation
    When matter condenses, it releases heat to its surroundings, resulting in a decrease in temperature. This release of heat indicates that the process is exothermic.

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  • 17. 

    As matter changes from a liquid to a solid entropy

    • Increases

    • Decreases

    • Is created

    • Is destroyed

    Correct Answer
    A. Decreases
    Explanation
    When matter changes from a liquid to a solid, the arrangement of particles becomes more ordered and structured. This decrease in randomness and disorder leads to a decrease in entropy. Entropy is a measure of the amount of disorder or randomness in a system. Therefore, as the liquid transforms into a solid, the entropy decreases.

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  • 18. 

    Matter  melting is an _________________ process.

    • Endothermic

    • Exothermic

    • Entropy

    • Excitation

    Correct Answer
    A. Endothermic
    Explanation
    When matter undergoes melting, it absorbs heat energy from its surroundings in order to break the bonds between its particles and transition from a solid to a liquid state. This absorption of heat is characteristic of an endothermic process, where energy is taken in from the surroundings. Therefore, the correct answer is endothermic.

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  • 19. 

    As matter changes from solid to a liquid energy is

    • Absorbed

    • Released

    • Created

    • Destroyed

    Correct Answer
    A. Absorbed
    Explanation
    When matter changes from solid to a liquid, energy is absorbed. This is because the particles in a solid are tightly packed and have less kinetic energy. As the solid is heated, the particles gain energy and start to vibrate more rapidly. This increased energy causes the bonds between the particles to break, resulting in the solid melting into a liquid. The energy required to break these bonds is absorbed from the surroundings, leading to the absorption of energy during the phase change from solid to liquid.

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  • 20. 

    Products of a complete combustion are

    • Water and oxygen

    • Water and carbon dioxide

    • Oxygen and carbon dioxide

    • Hydrogen and carbon dioxide

    Correct Answer
    A. Water and carbon dioxide
    Explanation
    During complete combustion, a fuel reacts with oxygen to produce carbon dioxide and water as the main products. This process occurs when there is sufficient oxygen available for the fuel to burn completely. The carbon in the fuel combines with oxygen to form carbon dioxide, while the hydrogen in the fuel combines with oxygen to form water. Therefore, the correct answer is water and carbon dioxide.

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Quiz Review Timeline (Updated): Jun 18, 2025 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Jun 18, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 03, 2012
    Quiz Created by
    Lmmurp2
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