Chemistry General Knowledge Questions and Answers
9. | Species containing same number of electrons are called | ||
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A. Isoelectronic | |||
B. Isobars | |||
C. Isotones | |||
D. Isotopes |
Answer | ||
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10. | The end product of alcoholic fermentation is | ||
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A. Ethyl alcohol | |||
B. Formic acid | |||
C. Acetaldehyde | |||
D. Pyruvic acid |
Answer | ||
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11. | Which of the following is the most common element in the universe? | ||
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A. Carbon | |||
B. Oxygen | |||
C. Nitrogen | |||
D. Hydrogen |
Answer | ||
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12. | What is the composition of nitrolim- a chemical fertilizer? | ||
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A. Calcium carbide and nitrogen | |||
B. Calcium carbide and carbon | |||
C. Nitrogen and limestone | |||
D. None of these |
Answer | ||
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