Question

Which of the following reactions can also be considered as combination reaction
(1 Point)

Burning of magnesium wire

Burning of coal

Formation of water from hydrogen and oxygen

All of the above​

Answer 1

Answer:

option a is the correct answer

Explanation:

Burning Of Magnesium Wire

Answer 2

All of the above

Reason:

i) $\large {2Mg + O_2 → 2MgO + ∆}$

ii) $\large {C + O_2 → CO_2 + ∆ }$

iii) $\large {H_2 + O_2 → H_2O + ∆}$

In all of the above reactions, only one product is formed.

(∆ symbolises heat)

Hope this helped...