9th Class Science Is Matter Around Us Pure Question Bank Is Matter Around Us Pure

Which of the following statements is/are incorrect?

I Centrifugation method can be used to separate butter from cream.

II Coloured component of blue ink can be separated by evaporation.

III Chromatography can be used to detect drugs in blood.

IV Camphor can be separated from salt by crystallisation.

A)                     II only

B) II and III only

C)                    IV only

D)        II and IV only

Correct Answer: C

Solution :

Camphor can be separated from salt by sublimation.