Question

What type of chemical reactions take place when:

<i>Electric current is passed through water.

<ii> Magnesium wire is burnt in air.

<iii> Digestion of food occur in the body.

<iv> Silver Nitrate reacts with sodium chloride.​

Answer 1

Explanation:

(i) Combination reaction

(ii) Double displacement reaction (Precipitation reaction)

(iii) Decomposition reaction.

(v)................

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Answer 2

Answer:

1, hydrogen

..........