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Q. In addition to hydrogen, the other abundant element present on Sun's surface is
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Q. The metal most abundantly used by man is
Q. Which one of the following is not a mixture
Q. The metal that occurs in the pure form in the earth's crust is
Q. Blue litmus paper turns ____ on contact with an acidic solution.
Q. Which of the following is a non metal that remains liquid at room temperature ?
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