Thermal pollution of water increases its toxicity and oxidation of
oxygen demanding waste besides favouring bacterial growth. A rise in water
temperature by 10°C, doubles the toxic effects of __________ present in it.
(A) Coal ash
(B) Potassium cyanide
(C) Ortho-xylene
(D) None of these
oxygen demanding waste besides favouring bacterial growth. A rise in water
temperature by 10°C, doubles the toxic effects of __________ present in it.
(A) Coal ash
(B) Potassium cyanide
(C) Ortho-xylene
(D) None of these