Subject :NSO Class : Class 9
Which of the following statements is/are
incorrect?
I. Centrifugation method can be used
to separate cream from milk.
II. Mixture of kerosene oil and sugar
solution can be separated by using
separating funnel.
III. Chromatography can be used to detect
drugs in blood.
IV. Camphor can be separated from salt
by crystallisation.
A II only
B I, II and III only
C IV only
D II and IV only