Question

oxidation state of hydrogen in CaH2
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Answer 1

The oxidation number of any atom in a molecule of a single element is also ZERO. 2. The oxidation number of hydrogen in H-containing compound is +1. Exception: in metallic hydrides the oxidation number of hydrogen is -1.

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Answer 2

Answer:

Ca(OH)2

Explanation:

when CaH2 is added with O2 then produce Ca(OH)2