Give a reason for the following:

Graphite is used as a lubricant.

What is carbon? List some of the uses of carbon in our everyday life.

What are organic or inorganic compounds? Give examples.

Which are the crystalline forms of carbon? State any two of their properties.

What is destructive distillation? Give one use each of the products that are obtained after the destructive distillation of coal.

Name three types of charcoal. How they are formed?

Give chemical equation for the reaction of carbon dioxide with litmus solution.

Give chemical equation for the reaction of carbon dioxide with lime water.