Question

1) Which of the following involves combination of two elements ?
con N2(g) + 3H2(g) + 2NH,(2)
(b) CaO(s) + CO (g) - CaCO 3)
(c) 280,() + 0,6)
280.6)
(d) NH,(g) + HCl(g) → NH C1(5)​

Answer 1

Answer:

d is the correct option

Explanation:

when NH is added with HCL then Nitrogen chloride is formed.

Answer 2

Answer:

B

Explanation:

it's have only two element

Ca and O