List of top Questions asked in MHT CET

Calculate standard enthalpy change of reaction \[ C_2H_2(g) + \frac{5}{2} O_2(g) \rightarrow 2 CO_2(g) + H_2O(l), \text{ if } \Delta H^\circ(CO_2) = -393 \, \text{kJ mol}^{-1}, \Delta H^\circ(H_2O) = -286 \, \text{kJ mol}^{-1}, \Delta H^\circ(C_2H_2) = 227 \, \text{kJ mol}^{-1} \]
Identify an antiseptic compound from following.
Identify the name of reaction of aryl halide with alkyl halide and sodium metal in dry ether to give substituted aromatic compounds.
Which from following formulae is used to find the \([OH^-]\) ion concentration of a weak monoacidic base?
What different types of bonds are formed by chlorine with oxygen in perchloric acid?
Which from following amino acids contains 'S' in its side chain (R)?
What is the IUPAC name of hydroquinone?
Calculate the volume of fcc unit cell in cm\(^3\) if void volume of it is \( 4.16 \times 10^{-24} \) cm\(^3\).
Which from following elements forms coloured compound in its respective oxidation state?
The volume of a metal sphere increases by 0.33% when its temperature is raised by 50$^\circ$C. The coefficient of linear expansion of the metal is ______.
When one end of the capillary is dipped in water, the height of water column is 'h'. The upward force of 108 dyne due to surface tension is balanced by the force due to the weight of water column. The inner circumference of the capillary is (surface tension of water $=7.2\times10^{-2}N/m$)
Two gases A and B are at absolute temperatures 350 K and 420 K respectively. The ratio of average kinetic energy of the molecules of gas B to that of gas A is
The fundamental frequencies of vibrations of air column in pipe open at both ends and in pipe closed at one end are $n_1$ and $n_2$ respectively, then \dots
A bob of mass 'm' is tied by a string wound on a flywheel (disc) of radius 'R' and mass 'm'. If the bob has covered a vertical distance 'h', then the angular speed of the wheel will be \dots
A copper ring having a cut such as not to form a complete loop is held horizontally and a bar magnet is dropped through the ring. The acceleration of the falling magnet is \dots
In Young's double slit experiment, at two points P and Q on screen, waves from slits $S_1$ and $S_2$ have a path difference of 0 and $\lambda/4$ respectively. The ratio of intensities at point P to that at Q will be \dots
One of the following values of inputs A, B and C respectively gives output (Y) of the following combination of logic gates as '1' is \dots
The initial average kinetic energy of the molecules was E, when a gas sample is at 27$^\circ$C. When the gas is heated to 327$^\circ$C, then the final average kinetic energy will be ______.
A force F is applied on a square plate of side L. If the percentage error in F is 3% and in L is 2%, then the percentage error in pressure is \dots
A horizontal pipeline carries water in streamline flow. At $A_1 = 10$ cm$^2$, $v_1 = 1$ m/s and $P_1 = 2000$ Pa. The pressure at $A_2 = 5$ cm$^2$ is \dots [$\rho = 1000$ kg/m$^3$]
A piece of semiconductor is connected in series in an electric circuit. On increasing the temperature, the current in the circuit will ______.
Seven capacitors each of capacitance 2$\mu$F are to be connected in a configuration to obtain an effective capacitance (10/11)$\mu$F. The combination is \dots
Two simple pendulums have (A) mass $M_1$, length $L_1$ and (B) mass $M_2$, length $L_2$. Given $M_1 = M_2$ and $L_1 = 2L_2$. If their total energies are same, then \dots
The depth at which the value of acceleration due to gravity becomes ($1/n$) times the value at the surface of the earth is (R = radius of the earth) ______.
Two girls are standing at the ends 'A' and 'B' of a ground where $AB = b$. The girl at 'B' starts running perpendicular to 'AB' with velocity $V_1$. The girl at 'A' starts running simultaneously with velocity $V_2$ and in shortest distance meets the other girl in time 't'. The value of 't' is ______.