Which of the following is known as the Black lead?

What is the suspension of graphite in water known as?

Is catenation possible in carbon?

All the elements in group 14 exhibit tetravalency.

Which of the following is true regarding the thermal stability of halides of Carbon family?

All the oxides and hydroxides of Boron family are ________ in nature.

________ Boron is reactive with air.

Which of the following elements do you think can react with water?