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Q. Mercury is a
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Q. Which of the following is the heaviest metal among the following -
Q. The number of waves in n x 10th Bohr's orbit are
Q. PVC is obtained by the polymerisation of
Q. That is the valency of copper in cuprous oxide?
Q. Biofertilizers convert nitrogen to _______.
Q. Chemical name of common salt is
Q. Which of the following metals is commonly used to increase the strength of steel alloys?
Q. Which of the following is correct about Ammonia?
Q. Water is a compound because it?
Q. Which of the following phenomenon is considered responsible for Global Warming?
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