Question

When calcium carbonate is heated ,two new substances, calcium oxide and carbon dioxide are formed a)write a word equation for the above chemical reaction b)is calcium carbonate an element or a compound ?Explain

Answer 1

Answer:

Explanation:

 When calcium carbonate is heated the new substances formed will be Calcium oxide and carbon dioxide

(a)

$CaCO3 + heat$→$CaO+ CO2$

$Calcium carbonate + heat$→$Calcium oxide +Carbon dioxide$

(b)

Elements are pure substances made up of the same atoms such as Ca, C, etc.

Compound are formed when two or more different types of elements are bonded together. like Calcium carbonate in this case

hence, $CaCO3$ is a compound