List of top Questions asked in KCET

Which one of the following conversions involve change in both hybridization and shape?

The sugar present in milk is__________

For the reversible reaction $A_{(s)}+B_{(g)} \rightleftharpoons C_{(g)}+D_{(g)}: \Delta G^{0}=-350 kJ .$ Which one of the following statements is true?

If $x\neq n \pi ,\, x \neq\,(2n+1)\frac {\pi}{2}.n\in Z, $ then $\frac {Sin^{-1}(Cos x) + Cos^{-1}(Sin x)}{Tan ^{-1}(Cot x)+ Cot^{-1}(Tan x)} $ =

In $\Delta ABC$, if $a =2, B = \tan ^{-1} \frac {1}{2}$ and $C = \tan ^{-1}\frac{1}{3}$, then $(A,b)$ =

The forbidden energy gap in $Ge$ is $0.72\, eV$. Given, $hc = 12400 \, eV \, - ?$ . The maximum wavelength of radiation that will generate an electron hole pair is

Reaction of methyl bromide with aqueous sodium hydroxide involves

The amount of heat evolved when $500 \,cm^3$ of $0.1 \,M \,HCl$ is mixed with $200\, cm^3$ of $0.2\,M \,NaOH$ is _______

The correct IUPAC name of $K_2[Ni(CN)_4]$ is _______

The empirical formula of a non-electrolyte is $CH_2O$. A solution containing $6 \,g$ of the compound exerts the same osmotic pressure as that of $0.05\, M$ glucose solution at the same temperature. The molecular formula of the compound is

The diagram of Labeo rohita is given below. Identify the parts labelled A, B, C, D, E, F, G.

Which one of the following pairs is an example for lateral meristem?

Two smalI spheres of masses $M_1 $ and $M_2$ are suspended by weightless insulating threads of lengths $ L_1$ and $ L_2$. The spheres carry charges $Q_1$ and $Q_2$ respectively. The spheres are suspended such that they are in level with one another and the threads are inclined to the vertical at angles of $\theta_1 $ and $\theta_2$ as shown. Which one of the following conditions is essential, if $\theta_1 = \theta_2$ ?

The temperature of a gas contained in a closed vessel of constant volume increases by $1^\circ$C when the pressure of the gas is increased by $1\%$. The initial temperature of the gas is ..........

The spin only magnetic moment of $Mn^{+4}$ ion is nearly____

There is a uniform electric field of intensity $E$ which is as shown. How many labelled points have the same electric potential as the fully shaded point?

The condition for the line $y = mx +c$ to be a normal to the parabola $y = 4ax$ is _______

The set of quantum numbers for the outermost electron for copper in its ground state is ___________

The set of real values of x for which $ f(x) = \frac {x}{log\, x}$ increasing, is

Peroxide ion ___________ a) is diamagnetic b) has five completely filled antibonding molecular orbitals c) is isoelectronic with neon d) has bond order one. Which one of these is correct?

Magnetic field at the centre of a circular coil of radius $R$ due to current $I$ flowing through it is $B$. The magnetic field at a point along the axis at distance $R$ from the centre is........

Two identical conducting balls $A$ and $B$ have positive charges $q_1$ and $q_2$ respectively but $q_1 \ne q_2$ The balls are brought together so that they touch each other and then kept in their original positions. the force between them is

Two beams of red and violet colours are made to pass separately through a prism of $A = 60^\circ$. In the minimum deviation position, the angle of refraction inside the prism will be

The standard emf of a galvanic cell involving $3$ moles of electrons in its redox reaction is $0.59 \,V$. The equilibrium constant for the reaction of the cell is

Pick out the correct statement from the following: