List of practice Questions

Which of the following is a gymnosperm in which vessels are found?
The average power dissipated in a pure inductor is
The two electrons have the following set of quantum numbers: $P = 3 , 2 , - 2 , + \frac {1}{2}$ $Q = 3,0,0,+\frac {1}{2}$ Which of the following statement is true ?
The electrolyte having maximum flocculation value for $AgI/Ag^+$ sol is
How many ions per molecule are produced in the solution when Mohr salt is dissolved in excess of water ?
On heating with concentrated $NaOH$ solution in an inert atmosphere of $CO_2$ white phosphorous gives a gas. Which of the following statement is incorrect about the gas ?
In $H_2 - O_2$ fuel cell the reaction occurring at cathode is
Which one of the following electrolytes has the same value of van't Hoff's factor (i) as that of $ {Al_2(SO_4)_3}$ (if all are 100% ionised) ?
Gastric juice of infants contains
The equation of the plane which bisects the line segment joining the points $(3, 2, 6)$ and $(5,4, 8)$ and is perpendicular to the same line segment, is
$ : CCl_2 $ is
For a simple pendulum, a graph is plotted between its Kinetic Energy (KE) and Potential Energy (PE) against its displacement d. Which one of the following represents these correctly? (graphs are schematic and not drawn to scale)
Which one of the following is correct?
An alkali metal hydride $(NaH)$ reacts with diborane in $A$ to give a tetrahedral compound $B$ which is extensively used as reducing agent in organic synthesis. The compounds $A$ and $B$ respectively are
The middle term of expansion of $(\frac {10}{x}+\frac {x}{10})^{10}$ is
The function $f(x) = [x]$, where $[x]$ denotes greatest integer function is continuous at
In presence of $HCl, H_2S$ results the precipitation of Group-2 elements but not Gp-4 elements during qualitative analysis. It is due to
How many Coulombs of electricity are required for the oxidation of one mol of water to dioxygen ?
Which of the following will be able to show geometrical isomerism ?
Which of the following compound possesses the "C - H" bond with the lowest bond dissociation energy ?
While charging the lead storage battery
If two dice are thrown simultaneously, then the probability that the sum of the numbers which come up on the dice to be more than $5$ is
The formation of cyanohydrin from a ketone is an example of
The ratio of kinetic energy to the potential energy of a particle executing $SHM$ at a distance equal to half its amplitude, the distance being measured from its equilibrium position is
When two tuning forks $A$ and $B$ are sounded together. $4$ beats per second are heard. The frequency of the fork $B$ is $384\, Hz$. When one of the prongs of the fork $A$ is filed and sounded with $B$. the beat frequency increases, then the frequency of the fork $A$ is