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Chapter 2 – Structure of Atoms Multiple Questions and Answers.
| 1. | Which is an example of substance? | ||
| A. | Carbon | ||
| B. | Hydrogrn | ||
| C. | Oxygen | ||
| D. | Water | ||
| 2. | Biology bis classified as ___________ science. | ||
| A. | Engineering | ||
| B. | Physical | ||
| C. | Natural | ||
| D. | Chemical | ||
| 3. | The number of proton in an atom is called _________ number. | ||
| A. | Molecule | ||
| B. | Formula | ||
| C. | Atomic | ||
| D. | Molar | ||
| 4. | The branch of chemistry which deals with qualitative & quantitative analysis of matter is : | ||
| A. | Analytical | ||
| B. | Nuclear | ||
| C. | Biochemistry | ||
| D. | Organic | ||
| 5. | Which of the following can be separated by physical means? | ||
| A. | Mixture | ||
| B. | Element | ||
| C. | Compound | ||
| D. | Radical | ||
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