Question

How can we make alkali from magnesium ribbon? Describe it with chemical reaction. Write one use of so prepared alkali by above reaction.

Answer 1

Explanation:

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Answer 2

Answer:

Burn magnesium ribbon in air , it will form magnesium oxide. Then dissolve the ash of magnesium oxide in water to form magnesium hydroxide which is a alkali.

CHEMICAL REACTIONS INVOLVED :

Mg + O2 --------- MgO

MgO + H2O---------- Mg(OH)2

The alkali magnesium hydroxide is used as an antacid to neutralize stomach acidity.