List of practice Questions

Sky seen from earth appears blue because of
What happens when chloroform is left open in air in the presence of sunlight?
The horns of Rhinoceros are composed of
Arrange the following compounds in order of increasing dipole moment, toluene (I), m-dichlorobenzene (II), o-dichlorobenzene (III),p-dichlorobenzene (IV)
When light passes form one medium to another, there is a change in
The ratio between the root mean square speed of $H_2$ at 50 K and that of $O_2$ at 800 K is
Which of the following is not an explosive?
The reaction, $ {{C}_{6}}{{H}_{5}}{{N}_{2}}Cl\xrightarrow{C{{u}_{2}}C{{l}_{2}}/HCl}{{C}_{2}}{{H}_{5}}Cl+{{N}_{2}}\uparrow $ is called:
The conjugate acid of $ C{{H}_{3}}N{{H}_{2}} $ is:
The percentage of oxygen in $NaOH$ is
Which of the following has the maximum number of unpaired electrons ?

The orbitals are called degenerate when:

Figures below show four ways of making a regular hexagon out of wires of two different kinds P, Q with current beafls at the middle of opposite wires, the magnetic field at the centre of the hexagon is not zero in
Thermocouple thermometer is based on
Which of the following is the correct representation of relative lowering of vapour pressure?
$^{27}_{13}AI$ is a stable isotope, $^{29}_{13}AI$ is expected to decay by
The rate, at which a substance reacts, depends upon its
The number of moles of water present in $180\, gm$ of water is
Avogadro?? number of oxygen atom weighs
A metallic solid sphere is placed in a uniform electric field. Which path, the lines of force follow as shown in figure?
The law of electrolysis were given by:
Which of the following indicator is known as metal indicator?
Ostwald�s dilution law is applicable to only
A nucleus emits one $\alpha$-particle and forms a new nucleus. The mass and charge of the new nucleus is changed in one of the following way
Which of the following does not have S-S bond?