Question

A substance when heated in axcess of air form carbon dioxide as the only product. Is the substance an element or compound? Give reason of your answer​

Answer 1

Answer:

The substance is an element i.e. Carbon

Explanation:

1. Any carbon compound on heating in abundant oxygen produces some carbon dioxide *with some other substances*.

Eg: a) hydrocarbon on heating give carbon dioxide and water

b) metal carbonates decompose to give CO2 and metal oxide

2. The substance that produces only carbon dioxide is carbon

Carbon + oxygen -> carbon dioxide

Because the question satisfies the reaction stated above, the substance is element carbon

I hope it will help you❤️❤️

Answer 2

Answer:

compound

Explanation:

because when we heat a substance in excess of air form co2 and water to give heat and light