List of practice Questions

Bleaching powder reacts with a few drops of conc. HCI to give

An example of a double salt is

The substance used as a smoke screen in war fare is

$H_2O$ has a net dipole moment while $BeF_2$ has zero dipole moment because

Which of the following does not apply to metallic bond?

Which of the following statements do not form a part of Bohr's model of hydrogen atom?

If p, V, M, T and R are pressure, volume, molar mass, temperature and gas constant respectively, then for an ideal gas, the density is given by

A $5.5$ metre length of string has a mass of $0.035 \,kg$. If the tension in the string in $77\, N$, the speed of a wave on the string is

A metal oxide has the formula $M_2O_3$. It can be reduced by $H_2$ to give free metal and water. $0.1596\, g$ of $M_2O_3$ required 6 mg of $H_2$ for complete reduction. The atomic mass of the metal is

The relation between algae and fungi in a lichen is

Red P can be obtained from white P by

Organelles can be separated from cell homogenate through

Wish bone of birds is from

Flight muscles of bird are attached to

Eutherians are characterised by

A small object of uniform density rolls up a curved surface with an initial velocity v. It reaches up to a maximum height of $\frac{3v^2}{4g}$ with respect to the initial position. The object is

Which one of the following is the strongest base?

To convert a galvanometer into a voltmeter one should connect a

Which of the following is the strongest acid?

Release of pancreatic juice is stimulated by

Nitrogen (I) oxide is produced by

The ground state electronic configuration of chromium is

Trypanosoma belongs to class

The value of van derWaals' constant a for the gases $O_2, N_2$, $NH_3$ and $ CH_4$ are 1.360, 1.390,4.170 and $2.253L^2$ atm $mol^{-2}$ respectively. The gas which can most easily be liquefied is