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JEE Main Hydrogen — practice questions

4 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.

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Heavy water, used as moderator in nuclear reactors, has the formula:In ionic hydrides like NaH, the oxidation state of hydrogen is:Temporary hardness of water in a kitchen bucket is removed by:A hydrogen fuel cell on the lab bench produces electricity by: