Gk Questions with AnswersChemistry General Knowledge Questions and Answers
| 5. | A radioactive substance emits | ||
|---|---|---|---|
| A. Alpha particle | |||
| B. Beta particle | |||
| C. Gamma particle | |||
| D. All of the three | |||
| Answer | ||
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| 6. | The acid in gastric juice is | ||
|---|---|---|---|
| A. Hydrochloric acid | |||
| B. Nitric acid | |||
| C. Sulphuric acid | |||
| D. Acetic acid | |||
| Answer | ||
|
| 7. | Source of vitamin C is | ||
|---|---|---|---|
| A. Ascorbic acid | |||
| B. Maleic acid | |||
| C. Oxalic acid | |||
| D. Maleic acid | |||
| Answer | ||
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| 8. | Which of the following laser types is used in a laser printer? | ||
|---|---|---|---|
| A. Excimer laser | |||
| B. Dye laser | |||
| C. Semiconductor laser | |||
| D. Gas laser | |||
| Answer | ||
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