Water Worksheet-4
Multiple-Choice Question:
(A) Acidic (B) Neutral (C) Basic (D) Amphoteric
(A) 0°C (B) 37°C (C) 100°C (D) 4°C
(A) Carbon dioxide bubbles out due to decrease in pressure
(B) Oxygen enters the bottle as soon as the can is opened
(C) Fizzing is just due to shaking of particles of soda as in other liquids
(D) One of these
(A) Odour (B) Colour (C) Solubility (D) None of these
(A) Bicarbonates or Chlorides of calcium & magnesium
(B) Chlorides of sodium & potassium
(C) Bicarbonates sodium & potassium
(A) 76 cm of Hg (B) 760 cm of Hg
(C) 760 mm of Hg (D) 7.6 mm of Hg
(A) Sedimentation (B) Filtration
(C) Chlorination (D) Distillation
(A) Is deposited at cathode
(B) Is deposited at anode
(C) Is deposited on the walls of electrolytic container
(D) Escapes out
(A) Causes water borne diseases
(B) Causes pollution of underground water
(C) Favours growth of algae
(D) None of these
Answer Key: