A person has impaired nervous system and signs of madness due to continued intake of metal contaminated water. The metal is

The hardness of water is due to.......metal ions.

Hydrogen has high ionization energy than alkali metals, due to its:

The Li^(+) ion, though smallest in size is the poorest conductor of electricity as compared to other alkali metal ions in water. This is due to :

Beryllium has less negative value of reduction potentials compared to other alkaline earth metals due to:

A metal oxide has the fomula M_2O_3 . It can be reduced by hydrogen to give free metal and water. 0.16g of the metal requires 6mg of H_2 for complete reduction. The atomic mass of the metal is .n? times the atomic number of calcium. The value of .n. is

A metal oxide has the formul Z_(2)O_(3) . It can be reduced by hydrogen to give free metal and water. 0.2 g of the metal oxide requires 12 mg of hydrogen for complete reduction. The atomic weight of the metal is

A metal oxide has the formul Z_(2)O_(3) . It can be reduced by hydrogen to give free metal and water. 0.2 g of the metal oxide requires 12 mg of hydrogen for complete reduction. The atomic weight of the metal is

Name one disease each which may occur in man due to continuous ingalation of geseous pollutanst, and due to biomagnification of heacy metals in water bodies.