A. TICK(√) THE CORRECT CHOICE AMONGST THE FOLLOWING:
3. Kerosene and water can be separated by :
(a) Fractionating column
(b) Separating flask
(c) Chromatography
(d) Distillation.
4. lodine and camphor are separated from their mixtures by :
(a) Liquefaction
(b) Sublimation
(c) Distillation
(d) Filtration
5. Solutions which have uniform composition throughout are known as:
(a) Heterogeneous solution
(b) Homogeneous solution
(c) Colloidal solution
(d) None of these.
6. Grain and husk are separated by :
(a) Winnowing
(b) Hand picking
(c) Sieving
(d) Sublimation.
7. Cream can be separated from milk by the process of:
(a) Filtration
(b) Evaporation
(c) Centrifugation
(d) Sieving.
Answers
Answer:
A. TICK(√) THE CORRECT CHOICE AMONGST THE FOLLOWING:
3. Kerosene and water can be separated by :
(a) Fractionating column
(b) Separating flask
(c) Chromatography
(d) Distillation.
4. lodine and camphor are separated from their mixtures by :
(a) Liquefaction
(b) Sublimation
(c) Distillation
(d) Filtration
5. Solutions which have uniform composition throughout are known as:
(a) Heterogeneous solution
(b) Homogeneous solution
(c) Colloidal solution
(d) None of these.
6. Grain and husk are separated by :
(a) Winnowing
(b) Hand picking
(c) Sieving
(d) Sublimation.
7. Cream can be separated from milk by the process of:
(a) Filtration
(b) Evaporation
(c) Centrifugation
(d) Sieving.
Answer:
3. b) seperating flask
4. b) sublimation
5. b) homogeneous solution
6. a) winnowing
7. c) centrifugation