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Q. The air we inhale is mixture of gases. Which of the following gases in the mixture is highest in percentage?
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Q. Table salt gets moist during rainy season as
Q. Copper substances when exposed to air gains a green coating due to the formation of:
Q. Which among the given is inright?
Q. Iron filings can be separated from a heterogeneous mixture using the technique of
Q. Al3+ is iso electronic with
Q. Which of the following substances is sour due to lactic acid?
Q. Which among the following happens in an oxidation reaction ?
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