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Which of the following involves combination of two elements ? (a) N2(g) + 3H2(g) → 2NH3(g) (b) CaO(s) + CO2(g) → CaCO3(g) (c) 2SO2(g) + O2(g) → 2SO3f(g) (d) NH3(g) + HCl(g) → NH4Cl(s)

Which of the following involves combination of two elements ?
(a) N2(g) + 3H2(g) → 2NH3(g)
(b) CaO(s) + CO2(g) → CaCO3(g)
(c) 2SO2(g) + O2(g) → 2SO3f(g)
(d) NH3(g) + HCl(g) → NH4Cl(s)

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 8741 Points
29 days ago
Answer: a

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