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15. Select the correct answers: NCERT- book back one mark questions - III

Select the correct answer:

1. Write the balanced chemical equation for the following.

Hydrogen(g) + Chlorine(g) → Hydrogen chloride(g)

\(H_2\)(g) + \(Cl_2\)(g) → \(2HCl\)(g)
\(H_2\)(g) + \(Cl_2\)(g) → \(2HBr\)(g)
\(O_2\)(g) + \(Cl_2\)(g) → \(2HCl\)(g)
(N_2\)(g) + \(Cl_2\)(g) → \(2HCl\)(g)

2. Identify the type of the following reaction.

Magnesium(s) + Hydrochloric acid(aq) → Magnesium chloride(aq) + Hydrogen(g)

Combination reaction
Decomposition reaction
Displacement reaction
Redox reaction
Double displacement reaction

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