List of practice Questions

The ground state configuration of $Fe^{3+}$ ion in gaseous state is : (At.No. of Fe = 26)
The example of colligative property is
Soaps are classified as
Ribosomes are the centre for
$P$ represents radiation pressure, $c$ represents speed of light and $S$ represents radiation energy striking per unit area per sec. The non zero integers $x$, $y$, $z$ such that $P^x S^y c^z$ is dimensionless are
Oxysomes of F0 - Fj particles occur on
On electrolysis of dilute sulphuric acid using platinum electrodes, the product obtained at the anode will be
Mercury thermometer can be used to measure temperature upto
When nitrobenzene is treated with $Br_2$ in the presence of $FeBr_3$ the major product formed is m-bromonitrobenzene. Statements which are related to obtain the m-isomer, are
Arsenic drugs are mainly used in the treatment of
Which one of the following is the weakest kind of the bonding in solids?
Which of the following compounds gives characteristic deep colour with $FeCl_3$ solution ?
2-methyl-2-butene will be represented as
Absolute ethyl alcohol can be converted to diethyl ether by heating it to 410 K in the presence of
$C_3H_9N$ cannot represent
Which of the following does not characterise X-rays ?
When a monochromatic point source of light is at a distance of 0.2 m from a photoelectric cell, the cut-off voltage and the saturation current are respectively 0.6 V and 18.0 mA. If the same source is placed 0.6 m away from the photoelectric cell, then
The displacement $y$ of a particle, if given by $y=4 \cos ^{2}(t / 2) \sin (1000 t)$. This expression may be considered to be a result of the superposition of how many simple harmonic motions?
If the sum of the distance of a point from two perpendicular lines in a plane is 1, then its locus is
India plays two matches each with West Indies and Australia. In any match the probabilities of India getting points $0, 1$ and $2 $ are $0.45, 0.05$ and $0.50,$ respectively. Assuming that the outcomes are independent. The probability of India getting a t least 7 points, is
Let $ \alpha, \beta $ be the roots of the equation,$(x - a) (x - b) = c, c \ne 0 $.Then the roots of the equation $ (x - \alpha) \, (x - \beta) + c = 0 $ are
The expression $[x+(x^3-1)^{1/2}]^5 +[x-(x^3-1)^{1/2}]^5$ is a polynomial of degree
Hydrogenation of benzoyl chloride in presence of $Pd$ on $BaSO_{4}$ gives
Isomers which can be interconverted through rotation around a single bond are
The products of combustion of an aliphatic thiol (RSH) at 298 K are