Thermal pollution of water increases its toxicit 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

10. Thermal pollution of water increases its toxicit 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
o potassium cyanide
o ortho-xylene
o coal ash
o none ofthese

Ans: A