Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes________________?

A. Coal
B. Uranium ore
C. Iron ore
D. Lime

A. Aluminium sulphate
B. Ferrous sulphate
C. Hydrated lime
D. Chloramine

A. Automobile exhaust
B. Flue gas of coal based power plant
C. Exhaust of nitric acid plant
D. Exhaust of sulphuric acid plant

A. Cesspool
B. Lagoon
C. Skimming mill
D. Septic tank

A. Deaeration of feed water
B. Enhancing pH of feed water by adding alkali
C. Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen
and prevents corrosion
D. All A., B. and C.

A. Dental cavity
B. Tooth decay
C. Fluorosis
D. Respiratory disease