Essential for Life - Air & Water Worksheet-3
Multiple-Choice Question:
(A) Oxygen (B) Nitrogen (C) Hydrogen
(A) Hydrogen (B) Carbon dioxide (C) Helium
(A) Air enters the tin from second hole and its pressure pushes the oil out
(B) Two holes on a lid helps in flowing out the oil rapidly
(C) None of these
(A) Boiling (B) Sedimentation (C) Decantation
(A) Low pressure to high pressure
(B) High pressure to low pressure
(C) There is no effect of pressure on the wind
(A) Evaporation (B) Loading (C) Decantation
(A) No (B) Yes (C) Can’t say
(A) Tonometer (B) Barometer (C) Seismometer
(A) Hot air is denser than the cold air
(B) Hot air inside the balloon is lighter than the cold air surrounding it (outside the balloon)
(C) Hot air is pushed inside the balloon
Multiple Choice Questions (with more than one option):
(A) Argon (B) Carbon dioxide (C) Helium
(D) Hydrogen (E) Oxygen
(A) Sedimentation (B) Decantation (C) Filtration
(D) Chlorination (E) Boiling
Answer Key:
(1)-(A); (2)-(B); (3)-(A); (4)-(A); (5)-(B); (6)-(A); (7)-(A); (8)-(B); (9)-(B); (10)-(A,C,D); (11)-(A,C,D)