Question

.State the type of chemical reactions and chemical equations that take place in the following:
(i) Magnesium wire is burnt in air.
(ii) Electric current is passed through water.
(iii) Ammonia and hydrogen chloride gases’are mixed

50 points for this question answer
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Answer 1

Explanation:

1) Oxidation reaction

2) Electrolytic decomposition reaction

3) Combination reaction

Answer 2

Answer:

a) Combination reaction: 2Mg+O2→2MgO

b) Decomposition reaction: CaCO3→CaO+CO 2

c) Decomposition reaction: 2AgBr→2Ag+Br2

d) Decomposition reaction: 2H2O→2H2+O2

e) Combination reaction: NH3+HCl→NH4Cl

Explanation:

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