List of top Questions asked in AFMC- 1994

Which of the following has unchanged valency ?

When excess of water is added to $BiCl_3$ solution

Which one of the following elements can have both positive and negative oxidation state ?

The turgidity of a polymer solution measures

Which of the following phenomena will occur when two atoms of the elements having same spin of electron approach for bonding ?

Which of the following is a polyamide ?

Isotonic solutions at a particular temperature have the same