List of practice Questions

Number of solutions of the equation $tanx + secx = 2cosx$ lying in the interval $[0,2\pi]$ is

Number of atoms in 558.5 g of Fe (At. mass of Fe= 55.85 g $mol^{_1}$) is

Number of comb plates present in comb jellies is

Number of electrons surrounding $Kr \, in \, KrF_2 \, is$

Number of joints present over anal styles of Cockroach is

Nuclear holocaust means

Number greater than 1000 but less than 4000 is formed using the digits 0, 1, 2, 3, 4 (repetition allowed). Their number is

Number of angular nodes for $4d$ orbital is _________.

Normal range of urea in 100ml of human blood is

Now-a-days India is under which stage of demographic cycle ?

Nucellus of an ovule is equivalent to a

NOR gate is the series combination of

Normal at $(1, 1)$ on the curve $2y=9-x^2$ is

Noble gases are sparingly soluble in water due to

No force is exerted by a magnetic field on a stationary :

Noble gases are also known as aerogens because

Nitrogen is used to fill electric bulbs because

$Nm^{-1}$ is the SI unit of

No current is drawn from the secondary of an ideal transformer, the power factor of the primary coil is

Nitrogen and hydrogen combine to form ammonia under high temperature and pressure conditions. This is an example of

Nitrogen combines with metals to form

Nitrogen forms stable $N_2$ molecule but phosphorus is converted to $P_4$ from $P_2$ because

Nitrates are converted into Nitrogen by

Nitric oxide acts as a reducing agent in the reaction

Nitrobenzene can be prepared from benzene by using a mixture of conc. $ {HNO_3}$ and conc. $ {H_2SO_4}$ in the mixture, nitric acid acts as a/an :