Match the following:
Column A. Column B
(a) Sublimation (a) Alum
(b) Centrifugation. (b) Camphor
(c) Distillation (c) Colours of ink
(d) Sedimentation (d) Churning of milk
(e) Magnetic separation (e) Salt in water
(f) Loading. (f) Iron and Sulphur
(g) Chromatography (g) Grains from husk
(h) Winnowing (h) Muddy water
Answers
Answer:
The solution of sugar in water is:
(a) Element (c) Homogeneous mixture✔
(b) Compound (d) Heterogeneous mixture.
2. Separation of common salt from its solution in water can be carried by:
(a) Sublimation✔ (b) Evaporation
(c) Crystallisation (d) Filtration
3. Kerosene and water can be separated by
(a) Fractionating column (b) Separating flask✔
(c) Chromatography (d)Distillation
4. iodine and camphor are separated from their mixtures by:
(a) Liquefaction (c) Distillation
(b) Sublimation✔ (d) Filtration
5. Solutions which have uniform composition throughout are known as:
(a) Heterogeneous solution (b) Homogeneous Solution
(c) Colloidal solutions (d) None of these
6. Grain and husk are separated by:
(a) Winnowing✔ (c) Sieving
(b) Hand-picking (d) Sublimation
7. Cream can be separated from milk by the process of:
(a) Filtration (c) Centrifugation✔
(b) Evaporation (d) Sieving
8. Alum is added in the process of:
(a) Loading✔ (b) Decantation