Question Paper
Class / Subject: Class 6 (CBSE) · Science
Chapter: Chapter 9 — Chapter 9: Methods of Separation in Everyday Life
Time Allowed: 18 minutes
Max Marks: 9
1. We separate stones from rice mainly to: [1]
(A) remove impurities
(B) add flavour
(C) increase weight
(D) change colour
2. Salt and sand can be separated because: [1]
(A) salt dissolves in water and sand does not
(B) both dissolve equally
(C) neither dissolves
(D) sand dissolves and salt does not
3. Iron filings can be separated from sand using a: [1]
(A) magnet
(B) sieve
(C) filter paper
(D) funnel
4. Separating grain from husk using wind is called: [1]
(A) winnowing
(B) filtration
(C) sieving
(D) evaporation
5. Separating an insoluble solid from a liquid uses: [1]
(A) filtration
(B) winnowing
(C) handpicking
(D) evaporation
6. To purify muddy water, which combination of methods is typically used? [1]
(A) sedimentation, then filtration, then boiling
(B) only winnowing
(C) only sieving
(D) only handpicking
7. Salt can be recovered from saltwater by: [1]
(A) evaporation
(B) sieving
(C) handpicking
(D) winnowing
8. The process that combines evaporation and condensation to recover both parts of a mixture is called: [1]
(A) distillation
(B) filtration
(C) sedimentation
(D) winnowing
9. Large-scale distillation is used to convert seawater into: [1]
(A) fresh drinking water
(B) salt only
(C) sand
(D) oil