Which of the following gases has the lowest rate of diffusion under the same condition? [H = 1.00; He = 4. 00; O = 16.0; CI = 35.5]
The energy evolved when magnesium burns in air is in the form of
A substance L reacts with NH\(_4\)NO\(_{3(aq)}\) to generate ammonia gas. L is likely to be
On heating, the following trioxocarbonate (IV) salts decompose to give solid residue except
Which of the following pH values indicates that a solution is a strong base?