List of practice Questions

The oxidation number of oxygen atom in $O^{2-}_2$ ion is
The number of unpaired electron in Ni2+ is ?
The number of unpaired electrons in ferrous ion(Z = 26) is
The law of mass action was given by
The lac operon is an example of
The important ore of aluminium is
The incomplete combustion of $CH_4$ gives
The heat produced by a $100\, W$ heater in $2\, min$. is equal to
The element, with atomic number $118$, will be
The 3 sub-families of leguminosae are distinguished mainly on the basis of
Raphides are the crystals of
Nessler?? reagent is used in the test of
Lining of intestine of man is
Intervertebral disc is made up of
If a $p-n$ diode is reverse biased, then the resistance measured by an ohm-meter, will be
Euchlorine is produced by heating a mixture of
Desmosomes are found in
Grafting is not possible in monocots because they:
Female sex organ of Rhodophyceae is called:
Carbon dioxide is isostructural with which of the following ?
Camouflage of Chameleon is associated with
Bulliform cells are present in
Bombay black wood is obtained from
Atom bomb is based on the principle of
The rainbow is seen sometimes in the sky when it is raining. When one sees a rainbow, one?? back is towards the Sun. Internal reflection from water droplet causes dispersion. The final ray is in the backward direction.