The element that has the highest first ionization potential is.......
Answer: D
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The function of nitrogen in air is
Answer: A
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The most electronegative element among the following is
Answer: C
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What happens when two atoms form a chemical bond?
Answer: B
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Which one of the following gas is readily soluble in water at room temperature ?
Answer: D
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A mixture of ethyl alcohol and water can be seperated by
Answer: D
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Acid rain is due to air pollution by ?
Answer: D
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What is laughing gas ?
Answer: B
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Which gas is used to manufacture vanaspati from vegetable oil is
Answer: B
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A device used for the measurement of radioactivity is
Answer: D
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