Air, Water & Weather Worksheet-6
Multiple Choice Questions:
-
Which type of water should be stored in clean and covered pots or bottles?
(a) Tap (b) Boiled
-
Which of the following is not the method of purifying water?
(a) Sedimentation (b) Decantation (c) Evaporation
-
Which of the following is not the method of purifying water?
(a) Chlorination (b) Condensation (c) Filtration
-
What is the name of the process in which the insoluble impurities settle down?
(a) Sedimentation (b) Decantation (c) Evaporation
-
What is the name of the process in which the water is gently poured after sedimentation?
(a) Boiling (b) Decantation (c) Filtration
-
Decanted water has _____ of impurities than the filtered water.
(a) more (b) less
-
Which of the following is a better process than decantation to purify water?
(a) Boiling (b) Decantation (c) Filtration
-
In which process, water is passed through a filter paper?
(a) Chlorination (b) Condensation (c) Filtration
-
What is the name of the process in which water is cleaned by passing it through filter paper?
(a) Boiling (b) Decantation (c) Filtration
-
Which of the following is a gas that kills germs and purifies the water?
(a) Chlorine (b) Iodine (c) Oxygen
Answer Key:
(1)-b; (2)-c; (3)-b; (4)-a; (5)-b; (6)-a; (7)-c; (8)-c; (9)-c; (10)-a
