List of practice Questions

The alcohol manufactured from water gas is :

IUPAC name of $Na_3 [Co (NO_2 )_6 ]$ is

Specific conductance of $0.1 \,N \,KCl$ solution at $23^{\circ} C$ is $0.012 \,ohm ^{-1} \,cm ^{-1}$. Resistance of cell containing the solution at same temperature was found to be $55 \,ohm$. The cell constant is:

The strongest reducing agent of the alkali metal is:

In which of the following the angle between the two covalent bonds is maximum?

In which of the following groups, when He is placed, its all the properties are satisfied ?

Which of the following is paramagnetic ?

In Cycas, open vascular bundle is characterised by

In an upright pyramid of biomass, the herbivores occupy the position

If the pressure amplitude in a sound wave is tripled, then the intensity of sound is increased by a factor of:

Half life of a substance is $20$ minutes. What is the time between $33\%$ decay and $67\%$ decay?

Guttation is due to

Gene which suppresses other gene?? activity but does not lie on the same locus is called as

Gasoline is a mixture of hydrocarbons containing

Eddy currents are produced when

Cotton fibres obtained from

Reason for weightlessness in satellite:

If solid sphere and solid cylinder of same mass and density rotate about their own axis, the moment of inertia will be greater for:

A satellite of mass $ m_{s} $ is moving in an orbit of radius $R$, then its angular momentum:

True relation for triode valve is:

The ratio of escape velocity and orbital velocity of satellite revolving near the earth:

When a load of $5 \,kg$ is hung on a wire then extension of $3$ metre takes place, then work done will be:

The relation between time period $(T)$ of a body and radius of circular orbit $(r)$ is:

A steel wire of $1\, m$ long and $1\, mm^2$ cross section area is hanged from rigid end when weight of $1 \,kg$ is hung from it then change in length will be (for wire Youngs coefficient $ Y=2\times 10^{11}\,N/m^{2} $ ):

Contact angle of kerosen oil with solid surface is: