List of practice Questions

Velocity of light is equal to

The bonding present between the carbon atoms of graphite:

The most stable carbonium ion is:

The highest dipole moment is of:

The density of air is $0.001293 g/cc.$ Its vapour density is :

The process of heating and suddenly cooling of steel is known as :

Philosopher's wool on treatment with cobalt nitrate produce :

Tissue present in an annual ring is:

There is no life on moon due to the absence of -

The reaction: $ {C2H5OH + SOCl2 ->[{\text{Pyridine}}] C2H5Cl + SO2 + HCl}$ is known as

The property utilized in the manufacture of lead shots is

An alcoholic drinks substance $ pH=4.7 $ then $ ^{-}OH $ ion concentration of this solution is:

Which of the following is weakest bond?

Which of the following has lowest first ionization energy?

Which quantum number is not related with Schrodinger equation?

Which of following is not Lewis base?

An element have atomic weight $40$ and its electronic configuration is $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6}$. Then its atomic number and number of neutrons will be:

The magnetic quantum number of valence electron of sodium $ (Na) $ is:

The relationship between ionization and change in concentration of any weak electrolyte is represented as:

Which compound decolorizes iodine solution?

The oxidation number of sulphur in $Na_2S_4O_6$ is

The magnetic needle of a tangent galvanometer is deflected at an angle $30^{\circ}$ due to a magnet. The horizontal component of earth's magnetic field $0.34$ $\times 10^{-4} T$ is along the plane of the coil. The magnetic intensity is

The immediate energy source of muscle contraction:

The highest oxidation state shown by Mn is:

The cranial capacity was largest among the