Which of the following elements causes damage to kidney and liver when they are present more than their tolerance limit?
Cd
Hg
Ni
All of these
As we have learnt,
Water soluble inorganic chemicalsmay contain heavy metals like cadmium, mercury and nickel etc. cannot be excreted by humans. These get accumulated in the body and when tolerance limit is crossed, these causes damage to kidney, liver, CNS, etc.
Hence, the correct answer is Option (4)