Introduction to carbon

Carbon is a metal.

• True

• False

What are allotropic forms of carbon also known as

In which form does carbon exist

• Free

• Combined

• Both

What is the formula of limestone

Name any allotrope of carbon

Where is carbon found

• Wood

• Petrol

• Creams

• All of these

Crystalline forms of carbon have irregular shape and blunt edges.

• True

• False

Carbon is found in which of the following complex items

• Medicine

• Blood

• Soap

• All of these

What is the formula of sodium bicarbonate