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Question

When magnesium burns in steam, the formulae of the products are:

A
Mg(OH),H2
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B
MgO,H2
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C
MgO2,H2
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D
Mg(OH)2.O2
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Solution

The correct option is C MgO,H2
Reaction is:

Mg+H2OMgO+H2

The products formed are magnesium oxide and hydrogen gas.

Hence, option B is correct.

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