Introduction to Chemistry

Introduction to Chemistry

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C HAPTER

Chapter 1. Introduction to Chemistry

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Introduction to Chemistry

Chapter Test Name___________________ Class______________ Date________ Multiple Choice: 1. Baking soda produces ______ during cooking. a. b. c. d.

air carbon dioxide water hydrogen gas

2. Which of the following is not a part of the macroscopic world? a. b. c. d.

rainwater rusting iron bacteria leaves

3. What was the philosopher’s stone? a. b. c. d.

a material that protected the body a rock that Aristotle sat on while he taught a material used to refine ores a substance that could change lead into gold

4. Which of the following would not be considered applied chemistry? a. b. c. d.

study of the atomic structure of rubidium use of rubidium in jewelry treatment of disease using rubidium solutions research on how to dissolve rubidium

5. Which of the following statements about fossil fuels is incorrect? a. b. c. d.

coal, petroleum, and natural gas are fossil fuels they are a nonrenewable energy source the global supply of fossil fuels will never be used up fossil fuels supply most of our energy needs today

6. Which of the following statements is correct? a. b. c. d.

plastics are never used in hip replacement because they wear out quickly genetically modified corn requires more pesticides that the non-modified plant plastic tubing has been successfully used to repair diseased blood vessels drugs do not affect any chemical processes in the body

7. Which one of the following is a material that was not developed by chemists? a. b. c. d.

quartz adhesives copper cables polymers 1

www.ck12.org 8. Nuclear fusion a. b. c. d.

is used to generate electrical energy takes place in the sun and stars involves making large molecules from smaller ones takes place at low temperatures

9. The dependent variable a. b. c. d.

does not change as the temperature increases will change as the independent variable changes never changes is varied in the experiment to see how it influences the results

10. One of the following statements about Leonardo da Vinci is not true a. b. c. d.

he was called the father of modern science he studied water flow he discovered penicillin he did medical dissections

True/False: 11. 12. 13. 14. 15. 16. 17. 18. 19. 20.

_____ A tablet of ibuprofen is macroscopic. _____ Applied chemistry is involved in looking for basic scientific ideas. _____ The alchemists wanted to find the philosopher’s stone. _____ A biochemist studies how the pancreas affects blood glucose levels. _____ A physical chemist looks at the composition of rocks. _____ Nuclear energy is safer than using fossil fuels. _____ Mercury has been shown to be a toxic element. _____ Algae in water is a result of too little fertilizer. _____ Peer review helps make sure scientific papers are reliable. _____ Grant money can be used to purchase test tubes.

Fill in the blanks: 21. 22. 23. 24. 25. 26.

_____ is a toxic element other than lead that is no longer used to any extent. Drugs work because of their __________ with other chemicals in the body. Kevlar was discovered by ____________ _______________ . Alchemists laid the foundation for the production of _________________ . Organic chemistry and __________ are often closely connected. List the five points of the scientific method in order: a. b. c. d. e.

__________ __________ __________ __________ __________

27. When scientists write grant proposals, they explain the _____ and _______ ______ of their research. Short Answers: 28. Why is peer review an important part of the publication of scientific results? 29. Give an example in the medical field where a scientist might use more than one chemistry discipline.

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