List of practice Questions

The number of oxygen atoms in $4.4\, g$ of $CO_2$ is,

Which one has the lowest boiling point?

Prussian blue is formed when

Photographic plates and films have an essential ingredient of

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