List of practice Questions

A $5$ molar solution of $H_2SO_4$ is diluted from 1 litre to a volume of 10 litres, the normality of the solution will be
The electronic configuration of Cu (at.no. = 29) is
The order of filling of electrons in the orbitals of an atom will be
The maximum number of electrons, present in an orbit that is represented by azimuthal quantum number $(l)=3$, will be
$P_2O_5$ is heated with water to give
Basicity of orthophosphoric acid is
$PCl_3$ reacts with water to form
$PH_4I + NaOH$ forms
Pure nitrogen is prepared in the laboratory by heating a mixture of
In a given atom no two electrons can have the same values of all the four quantum numbers. This is called
A body is executing simple harmonic motion. When the displacements from the mean position is $4 \,cm$ and $5 \,cm$, the corresponding velocities of the body is $10 \,cm/sec$ and $8\, cm/sec$. Then the time period of the body is
The velocity of charge carriers of current (about 1 ampere) in a metal under normal conditions is of the order of
A closed organ pipe (closed at one end) is excited to support the third overtone. It is found that air in the pipe has
A heavy uniform chain lies on horizontal table top. If the coefficient of friction between the chain and the table surface is 0.25 s, then the maximum fraction of the length of the chain that can hang over one edge of the table is
A car moves a distance of 200 m. It covers the first half of the distance at speed 40 km/h and the second half of distance at speed v. The average speed is 48 km/h. The value of v is
A colour blind girl is rare because she will be born only when
Which one occurs in echinodermata?
An insect regarded as greatest mechanical carrier of diseases is
Metamorphosis of insects is regulated through hormone
Classification of Porifera is based on
The excretory structures of flatworms/ Taenia are
Bladderworm/cysticercus is the larval stage of
Commercial cork is obtained from
Botanical name of cauliflower is
K(5) C(5) A(5) G(2) is floral formula of