Which among the following is a cation?
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Red phosphorus is less reactive than yellow phosphorus because
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Glass is best described as a
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Which of the following oxides of nitrogen is known as laughing gas?
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Which one of the following is used for writing on glass?
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The most reactive among the halogen is
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Bleaching powder is obtained by the action of chlorine gas and
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Dihydrogen can be prepared on a commercial scale by the action of steam on hydrocarbons, when a mixture of CO and H2 gas is formed. It is known as
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Which of the following is the least reactive element?
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Water gas is produced by
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Dry ice is
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Which of the following is diatomic?
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What is dry ice?
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Which one of the following is produced during the formation of photochemical smog?
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Graphite is used in atomic piles
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Non-metals are widely used in . . . . . . . .
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Which of the following halogen has the highest boiling point?
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The number of free electrons in the outer shell of a diamond's carbon atom is . . . . . . . .
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Which noble gas is radioactive in nature?
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Hydrogenation of vegetable oil is an example of . . . . . . . .
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