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Reactivity with Air and Water (Group 2)

When magnesiu...

Question

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

M g {(O H)}_{2}, H_{2}

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MgO,

H_{2}

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M g O_{2}, H_{2}

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M g (O H)_{2}, O_{2}

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Solution

The correct option is B MgO, $H_{2}$
When magnesium is burnt in steam, magnesium oxide and hydrogen are obtained.
$M g + H_{2} O (s t e a m) H e a t - -- \to M g O + H_{2}$

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