Question

Multiple Choice Questions (MCQs): Choose the correct answer for each of the following:
3. A mixture of sand and water can be separated by using
(a) handpicking. (b) sieving
(d) sedimentation
(c) threshing
4. Iron is separated from a mixture of sulphur and iron by
(a) winnowing. (b) handpicking. (c) sieving.
(d) magnets.
5. In summer, the pond dries up by the process of
(a) evaporation.
(b) decantation. (c) condensation (d) sedimentation​

Answer 1

Answer:

3 sedimentation

4 magnets

5 evaporation

Answer 2

Answer:

3. Sedimentation. Sieving is not quite useful because it still allows very minute particles and dust through it

4.Magnets is the right answer because magnetism attracts iron

5.Evaportion causes water to form into vapour

Explanation: