Question

when limestone is heated it decompose to calcium oxide and ____
a) oxygen
b) carbon
c) carbon dioxide
d) carbon monoxide​

Answer 1

Answer:

Here's Your Answer

Step-by-step explanation:

c) carbon dioxide.

Answer 2

Answer:

carbon dioxide

Step-by-step explanation:

When limestone is heated in a kiln, the calcium carbonate breaks down into calcium oxide and carbon dioxide. This type of reaction is called thermal decomposition. The process is called calcining.