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Q. Inert gases are
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Q. The number of isotopes in which hydrogen can exist are
Q. Which of the following compound is prepared using Ostwald’s process?
Q. Which ionization process requires the most energy?
Q. The acid used in batteries is
Q. Which of the following has the longest wave length?
Q. The heat energy produced when the human body metabolises 1 gram of fat is
Q. Dry powder fire extinguishers contain
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