For the selling of diamonds, the unit of weight is carat. One carat is equal to –

In the context of lab-grown diamonds (LGDs), what is used as a diamond seed?

Which one of the following statements is correct about diamond and graphite?

The elemental composition of diamond is

Which one of the following is the correct sequence in increasing order of molecular weights of the hydrocarbons?

Which of the following statements about graphite and diamond is true?