List of practice Questions

Two different gases enclosed in different flasks $A$ and $B$ at same temperature and pressure were found to contain same number of molecules. The ratio of volumes of the flasks $A$ and $B$ must be

The number of $P ??OH$ bonds and the oxidation state of phosphorus atom in pyrophosphoric acid $(H_4P_2O_7)$ respectively are

In the presence of an acid, hydrolysis of methyl cyanide produces

Phenol undergoes Kolbe?? reaction whereas ethanol does not. Phenoxide ion is more basic than ethoxide ion.

By the electrolysis of aqueous solution of $CuSO_{4}$, the products obtained at both the electrodes are

In order to protect, iron from corrosion, the iron is coated with

A normal human eye can clearly see all the objects beyond a certain minimum distance. The human eye has the capacity to suitably adjust the focal length of its lens to a certain extent.

Anthesis is a phenomenon which refers to

An intrinsic semiconductor, at the absolute zero temperature, behaves like a/an

Meroblastic cleavage refers to which type of division of eggs ?

Cis-trans test is related with

Hominids originated during

Inheritance of ABO blood groups illustrates

Stomach in vertebrates is the chief site for digestion of

During muscle contraction actin and myosin form

Which of the following species, is planar?

Which of the following does not exist?

All elements in $ \text{IIIA} $ group, have:

Which of the following is the main factor of desertification?

In the case of forward biasing of p-n junction, which one of the following figures correctly depicts the direction of flow of carriers?

In split genes, the coding sequences are called

The power factor varies between :

The motion of a rocket is based on the principle of conservation of

The logic circuit given in the figure performs the logic operation

The velocity of photons is proportional to (where $\upsilon$ = frequency)