List of top Questions asked in MHT CET- 2020

Which of the following reagents is used in the Hoffmann elimination reaction of amines?
Which among the following gas is bubbled through the brine solution during the preparation of sodium carbonate in Solvay's process?
A particle starting from rest moves along the circumference of a circle of radius \( r \) with angular acceleration \( \alpha \). The magnitude of the average velocity, in the time it completes the small angular displacement \( \theta \), is
Five capacitors each of capacitance \(C\) are connected as shown in the figure. The ratio of equivalent capacitance between \(P\) and \(R\) and the equivalent capacitance between \(P\) and \(Q\) is
In the following reaction the reagent A is,
\[ {Ar-N2^+X^- →[A] Ar-N2^+BF4^- →[\Delta] Ar-F + BF3 + N2} \]
If resistivity of 0.8 M KCl solution is \( 2.5 \times 10^{-3} \, \Omega \, \text{cm} \), calculate molar conductivity of solution?
Xenon crystallizes in fcc lattice and the edge length of unit cell is 620 pm. What is the radius of Xe atom?
Which of the following alloy contains Al, Cu, Mg and Mn?
The variation of stopping potential for metals A, B, C and D with frequency of incident radiation is as shown in the figure. For which metal, stopping potential is higher for lower values of threshold frequency (\(\nu_0\))? [The frequency of incident radiation \(\nu\) is same.]
A protein is a sequence of amino acids. The end of polypeptide chain of -NH2 end and -COOH end are respectively called ............
The frequency of two tuning forks A and B are 1.5% more and 2.5% less than that of the tuning fork C. When A and B are sounded together, 12 beats are produced in 1 second. The frequency of tuning fork C is
Identify the ionic charge and magnetic nature respectively of manganate ion.
A simple pendulum oscillates with an angular amplitude $\theta$. If the maximum tension in the string is twice the minimum tension, then $\theta$ is
The equation of vibration of a stretched string fixed at both ends and vibrating in 5th harmonic is \( Y = 3 \sin(0.4x) \cos(200\pi t) \), where \( x \) and \( Y \) are in cm and \( t \) in seconds. The length of the string is
A cord is wound round the circumference of a wheel of radius \( r \). The axis of the wheel is horizontal and the moment of inertia about it is \( I \). A block of mass \( m \) is attached to the free end of the cord, initially at rest. When the wheel rotates and the block moves vertically downwards through distance \( h \), the angular velocity of the wheel will be
In the laboratory, hydrogen chloride is prepared by heating
A long metal rod of length \(L\) completes the circuit as shown. The area of the circuit is perpendicular to magnetic field \(B\). Total resistance of the circuit is \(R\). The force needed to move the rod in the direction as shown with constant speed \(V\) is
Which among the following electrical properties has SI unit siemens per meter?
What is the molecular formula of nitrogen sesquioxide?
Alcohol abuse shows ill effects on ______ causing its cirrhosis.
Cranial capacity of Java man is ...........
The digital signals are used for transmission in communication system. They are
The kinetic energy of a particle performing S.H.M. is $\dfrac{1{n}$ times its potential energy. If the amplitude of S.H.M. is $A$, then the displacement of the particle will be
When a resistance of \( 200\Omega \) is connected in series with a galvanometer of resistance \( G \), its range is \( V \). To triple its range, a resistance of \( 2000\Omega \) is connected in series. The value of \( G \) is
Identify the mineral of iron from the following.