Page 6 - HA

Reason: Chlorophyll contains four different pigments.
Q3 Assertion: A mixture of kerosene and water can be separated by 1
separating funnel.
Reason: Kerosene and water are miscible liquids.
Q4 Drugs from blood can be separated by: 1

a) Sublimation
b) Filtration
c) Distillation
d) chromatography

Q5 Oil and water are immiscible liquids and can be separated by 1

a) Distillation
b) Fractional dsistillation
c) Sublimation
d) Separating funnel

Q6 Chromatography is based on the solubility of the components 1
in___________ solvent.

Concept: Distillation, fractional distillation and crystallisation

Q1. Assertion: Pure samples of copper sulphate can be obtained by 1
crystallization.
Resons: Crystallisation is a better process than evaporation.
Q2 Assertion: A mixture of alcohol and water can be separated by 1
fractional distillation
Reason: They have different boiling points.
Q3 Assertion: Separation of salt from salt solution can be done by 1
distillation.
Reason: Common salt is does not decompose on heating
Q4 The different components of petroleum can be separated by 1

a) Separating funnel
b) Fractional distillation
c) Distillation
d) filtration

Q5 Pure samples of a substance can be obtained by 1

a) distillation
b) sublimation
c) crystallization
d) evaporation