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Chemical and Physical Change Practice

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Multiple choice questions and answers to assess knowledge of chemical and physical changes.

Published in: Business, Technology

Chemical and Physical Change Practice

  1. 1. 1. Halite is a mineral formed by the evaporation of a solution. Which type of process is evaporation? <ul><li>A. physical </li></ul><ul><li>B. chemical </li></ul>
  2. 2. 2. Which of the following is an example of a physical change? <ul><li>A. burning </li></ul><ul><li>B. melting </li></ul><ul><li>C. rusting </li></ul><ul><li>D. corroding </li></ul>
  3. 3. 3. Water vapor in the air turns to liquid water in the form of rain. This is an example of <ul><li>A. physical change </li></ul><ul><li>B. chemical change </li></ul>
  4. 4. 4. When water freezes, it undergoes <ul><li>A. a physical change </li></ul><ul><li>B. a chemical change </li></ul><ul><li>C. vaporization </li></ul><ul><li>D. sublimation </li></ul>
  5. 5. 5. Which statement is true of a physical change? <ul><li>A. Burning is one example </li></ul><ul><li>B. It alters the form or appearance of a substance. </li></ul><ul><li>C. It changes a substance into a different substance. </li></ul><ul><li>D. More than one substance must be present. </li></ul>
  6. 6. 6. David stirs in a spoonful of lithium chloride into a beaker of water. As he stirs, the lithium chloride disappears. What type of change is occurring? <ul><li>A. chemical change </li></ul><ul><li>B. physical change </li></ul>
  7. 7. 7. The chemicals after a chemical change <ul><li>A. have properties identical to the chemicals before the change. </li></ul><ul><li>B. have properties different to the chemicals before the change. </li></ul><ul><li>C. both A and B </li></ul><ul><li>D. none of the above </li></ul>
  8. 8. 8. A change of state is a physical change because <ul><li>A. The parts of the mixture can be separated. </li></ul><ul><li>B. the atoms of the substances form new chemical bonds. </li></ul><ul><li>C. the boiling point of the substance changes. </li></ul><ul><li>D. the chemical makeup of the substance stays the same. </li></ul>
  9. 9. 9. The parts of a mixture can be separated by <ul><li>A. using the physical properties of its parts </li></ul><ul><li>B. causing a chemical reaction to occur. </li></ul><ul><li>C. using the chemical properties of its parts. </li></ul><ul><li>breaking and reforming chemical bonds. </li></ul>
  10. 10. Answers
  11. 11. 1. Halite is a mineral formed by the evaporation of a solution. Which type of process is evaporation? <ul><li>A. physical </li></ul><ul><li>B. chemical </li></ul>
  12. 12. 1. Halite is a mineral formed by the evaporation of a solution. Which type of process is evaporation? <ul><li>A. physical </li></ul><ul><li>B. chemical </li></ul>
  13. 13. 2. Which of the following is an example of a physical change? <ul><li>A. burning </li></ul><ul><li>B. melting </li></ul><ul><li>C. rusting </li></ul><ul><li>D. corroding </li></ul>
  14. 14. 2. Which of the following is an example of a physical change? <ul><li>A. burning </li></ul><ul><li>B. melting </li></ul><ul><li>C. rusting </li></ul><ul><li>D. corroding </li></ul>
  15. 15. 3. Water vapor in the air turns to liquid water in the form of rain. This is an example of <ul><li>A. physical change </li></ul><ul><li>B. chemical change </li></ul>
  16. 16. 3. Water vapor in the air turns to liquid water in the form of rain. This is an example of <ul><li>A. physical change </li></ul><ul><li>B. chemical change </li></ul>
  17. 17. 4. When water freezes, it undergoes <ul><li>A. a physical change </li></ul><ul><li>B. a chemical change </li></ul><ul><li>C. vaporization </li></ul><ul><li>D. sublimation </li></ul>
  18. 18. 4. When water freezes, it undergoes <ul><li>A. a physical change </li></ul><ul><li>B. a chemical change </li></ul><ul><li>C. vaporization </li></ul><ul><li>D. sublimation </li></ul>
  19. 19. 5. Which statement is true of a physical change? <ul><li>A. Burning is one example </li></ul><ul><li>B. It alters the form or appearance of a substance. </li></ul><ul><li>C. It changes a substance into a different substance. </li></ul><ul><li>D. More than one substance must be present. </li></ul>
  20. 20. 5. Which statement is true of a physical change? <ul><li>A. Burning is one example </li></ul><ul><li>B. It alters the form or appearance of a substance. </li></ul><ul><li>C. It changes a substance into a different substance. </li></ul><ul><li>D. More than one substance must be present. </li></ul>
  21. 21. 6. David stirs in a spoonful of lithium chloride into a beaker of water. As he stirs, the lithium chloride disappears. What type of change is occurring? <ul><li>A. chemical change </li></ul><ul><li>B. physical change </li></ul>
  22. 22. 6. David stirs in a spoonful of lithium chloride into a beaker of water. As he stirs, the lithium chloride disappears. What type of change is occurring? <ul><li>A. chemical change </li></ul><ul><li>B. physical change </li></ul>
  23. 23. 7. The chemicals after a chemical change <ul><li>A. have properties identical to the chemicals before the change. </li></ul><ul><li>B. have properties different to the chemicals before the change. </li></ul><ul><li>C. both A and B </li></ul><ul><li>D. none of the above </li></ul>
  24. 24. 7. The chemicals after a chemical change <ul><li>A. have properties identical to the chemicals before the change. </li></ul><ul><li>B. have properties different to the chemicals before the change. </li></ul><ul><li>C. both A and B </li></ul><ul><li>D. none of the above </li></ul>
  25. 25. 8. A change of state is a physical change because <ul><li>A. The parts of the mixture can be separated. </li></ul><ul><li>B. the atoms of the substances form new chemical bonds. </li></ul><ul><li>C. the boiling point of the substance changes. </li></ul><ul><li>D. the chemical makeup of the substance stays the same. </li></ul>
  26. 26. 8. A change of state is a physical change because <ul><li>A. The parts of the mixture can be separated. </li></ul><ul><li>B. the atoms of the substances form new chemical bonds. </li></ul><ul><li>C. the boiling point of the substance changes. </li></ul><ul><li>D. the chemical makeup of the substance stays the same. </li></ul>
  27. 27. 9. The parts of a mixture can be separated by <ul><li>A. using the physical properties of its parts </li></ul><ul><li>B. causing a chemical reaction to occur. </li></ul><ul><li>C. using the chemical properties of its parts. </li></ul><ul><li>breaking and reforming chemical bonds. </li></ul>
  28. 28. 9. The parts of a mixture can be separated by <ul><li>A. using the physical properties of its parts </li></ul><ul><li>B. causing a chemical reaction to occur. </li></ul><ul><li>C. using the chemical properties of its parts. </li></ul><ul><li>breaking and reforming chemical bonds. </li></ul>

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