List of practice Questions

The oxidation number of sulphur in $H_2S_2O_8$, $H_2S_2O_4$, $H_2S_2O_6$, are respectively
The optical path of a monochromatic light is same if it goes through $4.0 \,cm$ of glass or $4.5 \,cm$ of water. If the refractive index of glass is $1.53$, the refractive index of the water is
The number of complex numbers $z$ such that $|z - 1| = |z + 1| = |z - i|$ equals
The number of autosomes in human sperm are
The name of the complex $ [Pt{{(N{{H}_{3}})}_{6}}]C{{l}_{4}} $ is
The most important mineral for blood coagulation is
The monomer units of starch are
The molal elevation or ebullioscopic constant for water is
The mass and diameter of a planet are twice those of earth. The period of oscillation of pendulum on this planet will be (if it is a seconds pendulum on earth)
The mammalian blastula is known as
The latent heat of vaporisation of a substance is always
The ionisation potential of mercury is $10.39\, V$. How far ah electron must travel in an electric field of $ 1.5\times {{10}^{6}}V/m $ to gain sufficient energy to ionise mercury?
The head of Cockroach lacks
The genetically-modified (GM) brinjal in India has been developed for
The formula of chloral is
The following arrangement consists of five identical metal plates marked $1$, $2$, $3$, $4$ and $5$ parallel to each other. Area of each plates is $A$ and separation between the successive plates is $d$. The capacitance between $P$ and $Q$ is
The first stable product of Calvin cycle is
The existence of two different coloured complexes with the composition of $[Co(NH_3 )_4Cl_2 ]^+$ is due to
The exchange of genetic material between homologous chromosomes during meiosis is beneficial to the organism because it results in
The equation of a particle executing SHM is $\frac{2d^2x}{dt^2}+32x=0$Then the time period of the body is
The energy of a hydrogen atom in the ground state is $-13.6\, eV$. The energy of a $He^+$ ion in the first excited state will be
The electronic configuration of chromium (Z = 24) is
The night-blindness is developed due to shortage of which vitamin?
The electronic configuration of neon is
The correct sequence of stages in the evolution of modern man (Homo sapiens), is