Question

which of the following option is correct ??
a, coals burn s in the air to form carbon dioxide
b, coal is blue in colour
c,coal contain only carbon
d, none​

Answer 1

Answer:

coals burn s in the air to form carbon dioxide

Answer 2

Answer:

Coal burns in air to form carbon dioxide

Explanation:

Coal is full of carbon elements. When it burns in the atmosphere which contains oxygen elements it forms carbon dioxide gas

2C + 2O2 = C2O4

C + O2 = CO2 .........(*1/2)