A. Dissolved gases
B. Suspended solids
C. Dissolved solids
D. None of these
A. Foodstuffs
B. Woolen clothes
C. Metallic powder
D. None of these
A. Reduction in its dissolved oxygen content
B. Discoloration of bathroom fixtures
C. Temporary hardness
D. None of these
A. Turbidity
B. Color
C. Hardness
D. Dissolved gases
A. Industrial chimney exhaust
B. Automobiles exhaust
C. Photochemical reaction in polluted atmosphere
D. Burning of domestic fuel
A. Asphyxiation (suffocation)
B. Shortness of breath
C. Tuberculosis
D. All A., B. and C.
A. 105
B. 135
C. 160
D. 185