Question

(i) Which of the following involves combination of two elements ?
(la) N (8) + 3H2(8) - 2NH,(8)
(b) CaO(s) + CO,g). - Caco (8)
(c) 280,(s) + 0,(8) 250,6)
(d) NH,() + HCI) -NH,Cl(s)​

Answer 1

Step-by-step explanation:

(d) NH,() + HCI) -NH,Cl(s)

I hope it's helpful to you ❤️

Answer 2

Answer:

b. Na and O2 are bhot elements