Gk Questions with AnswersGk Questions and Answers
| 1. | Discovery of the nucleus of an atom was due to the experiment carried out by | ||
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| A. Rutherford | |||
| B. Moseley | |||
| C. Bohr | |||
| D. Thomson | |||
| Answer | ||
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| 2. | The oxide of which of the following elements is used as a coolant? | ||
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| A. Phosphorus | |||
| B. Silicon | |||
| C. Carbon | |||
| D. Nitrogen | |||
| Answer | ||
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| 3. | Concentrated solution of sodium chloride is called | ||
|---|---|---|---|
| A. Saline water | |||
| B. Sterilized water | |||
| C. Brine | |||
| D. Mineral water | |||
| Answer | ||
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| 4. | The pH of soft drink is | ||
|---|---|---|---|
| A. 3.0 | |||
| B. 3.8 | |||
| C. 6.5 | |||
| D. 8.5 | |||
| Answer | ||
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