Magnesium reacts with steam to produce magnesium oxide and .

hydrogen gas

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oxygen gas

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magnesium hydride

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Solution

The correct option is A hydrogen gas
Metals react with water under different conditions and produce metal oxide or hydroxide and liberate hydrogen gas.

Magnesium is a moderately reactive metal and does not react with cold water. It reacts with steam and produces magnesium oxide and hydrogen gas.

$M g (s) + H_{2} O (s t e a m) \to M g O (s) + H_{2} (g)$

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Similar questions

Q. Magnesium on reacting with steam produces

Q. Magnesium reacts with steam to form ________ and ________.

Q. Which among the following statements is incorrect for magnesium metal?

(a) It burns in oxygen with a dazzling white flame.
(b) It reacts with cold water to form magnesium oxide and evolves hydrogen gas.
(c) It reacts with hot water to form magnesium hydroxide and evolves hydrogen gas.
(d) It reacts with steam to form magnesium hydroxide and evolves hydrogen gas.

Q. Reaction between magnesium ribbon and oxygen gas to produce magnesium oxide is given by .

A magnesium ribbon is burnt in air. A student made the following observations:

i. Magnesium ribbon undergoes oxidation reaction.
ii. Magnesium reacts with air to form magnesium oxide.
iii. Magnesium ribbon undergoes decomposition reaction.

Which of the following statements is correct?

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