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Reaction of Bases with Dil. Sulphuric Acid

The burning o...

Question

The burning of magnesium strip resutls in the formation of magnesium oxide. What wil happen if we dissolve this magnesium oxide in sulphuric acid?

A

Salt and water

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B

Precipitate formation

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C

Salt and Hydrgen gas

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D

Salt and Hydrogen sulphide gas

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Solution

The correct option is A
Salt and water

The burning of magnesium strip leads to the formation of magnesium oxide.

$2 M g + O_{2} \to 2 M g O$

The magnesium oxide when dissolved in acid (sulphuric acid) gives salt and water.

$M g O + H_{2} S O_{4} \to M g S O_{4} + H_{2} O$

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