Chemistry General Knowledge Questions and Answers
9. | Rectified spirit contains | ||
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A. 18% ethanol | |||
B. 75% ethanol | |||
C. 95.6% ethanol | |||
D. 100% ethanol |
Answer | ||
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10. | Which of the following solutions should have the pH greater than seven? | ||
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A. Neutral | |||
B. Water | |||
C. Acidic | |||
D. Basic |
Answer | ||
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11. | The rate of chemical reaction generally | ||
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A. Increases with decrease in temperature | |||
B. Decreases with increase in temperature | |||
C. Does not change with temperature | |||
D. Increases with increase in temperature |
Answer | ||
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12. | The first metal used by man was | ||
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A. Gold | |||
B. Silver | |||
C. Iron | |||
D. Copper |
Answer | ||
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