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Chapter 1 – Fundamentals of Chemistry Multiple Questions and Answers.
| 1. | Industrial chemistry deals with the manufacturing of compounds: | ||
| A. | in the laboratory | ||
| B. | on micro scale | ||
| C. | on commercial scale | ||
| D. | on economic scale | ||
| 2. | Which one of the following can be separated by physical means? | ||
| A. | Mixture | ||
| B. | Element | ||
| C. | Compound | ||
| D. | radical | ||
| 3. | The most abundant element occurring in the oceans is: | ||
| A. | Oxygen | ||
| B. | Hydrogen | ||
| C. | Nitrogen | ||
| D. | silicon | ||
| 4. | The third abundant gas found in the atmosphere is: | ||
| A. | carbon monoxide | ||
| B. | oxygen | ||
| C. | nitrogen | ||
| D. | argon | ||
| 5. | One amu (atomic mass unit) is equivalent.to: | ||
| A. | 1.66 10"%*mg = | ||
| B. | 1.66 «10748 | ||
| C. | --1.66 x 107! | ||
| D. | -1.66.* 10-3 | ||
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