List of top Questions asked in COMEDK UGET- 2022

Which of the following statement is incorrect about activation energy? Higher the activation energy slower is the rate of reaction.

Which among the following forms minimum boiling azeotropes?
(i) Heptane + Octane
(ii) Water + Nitric acid
(iii) Ethanol + Water
(iv) Acetone + Carbon dioxide

How many numbers greater than 50000 can be formed by using digits 2, 5, 5, 6, 7?

A force \( F \) applied on the wire of radius \( r \) and length \( L \) and change in the length of the wire is \( l \). If the same force \( F \) is applied on the wire of the same material and radius \( 4r \) and length \( 4L \), then change in length of the other wire is

The essential amino acid are
(i) Leucine
(ii) Glutamic acid
(iii) Asparagine
(iv) Valine
Choose the correct option from the following:

Which of the following gases is responsible for acid rain?

Which of the following statement is incorrect for \( \mathrm{H_2O_2} \) structure?

Water is poured in a tank through a cylindrical tube of area of cross-section \( A \) and ejecting water at a constant speed 4 m/s. The tank contains a hole of area \( \frac{A}{2} \) at the bottom. The level of water in the tank will not go up beyond

Which of the product is not possible in Wurtz reaction?

The AC voltage across a resistance can be measured using a

\( \sum_{n=1}^{m} n \cdot n! \) is equal to

The solution of the differential equation \( \frac{d^2y}{dx^2} = 0 \) represents

An electric current \( I \) enters and leaves a uniform circular wire of radius \( r \) through diametrically opposite points. A charged particle \( q \) moves along the axis of the circular wire and passes through its center with speed \( v \). The magnetic force on the particle when it passes through the center has a magnitude

The solution of the differential equation \( x \frac{dy}{dx} = \cot y \) is

O\(_2^{−}\), F\(^−\), Mg\(^{2+}\), Al\(^{3+}\), O\(_2\), F\(_2\). How many of the species given above are isoelectronic?

The point \( (-3, -2) \) lies

What is \( \frac{\cos \theta}{1 - \tan \theta} + \frac{\sin \theta}{1 - \cot \theta} \) equal to?

If \( f(x) + 2f(1 - x) = x^2 + 5 \) for all real values of \( x \), then \( f(x) \) is given by:

The point of intersection of the lines \( \frac{x - 1}{1} = \frac{y - 1}{2} = \frac{z - 2}{3} \) and \( \frac{x - 5}{2} = \frac{y - 2}{1} = \frac{z - 5}{2} \)

The angle between the lines \( \frac{x+4}{3} = \frac{y-1}{5} = \frac{z+3}{4} \) and \( \frac{x+1}{1} = \frac{y-4}{1} = \frac{z-5}{2} \)

If \( p = \hat{i} + \hat{j}, q = 4\hat{k} - \hat{j} \) and \( r = \hat{i} + \hat{k} \), then the unit vector in the direction of \( 3p + q - 2r \) is

The maximum of \( Z \) is where, \( Z = 4x + 2y \) subject to constraints \[ 4x + 2y \geq 46, \quad x + 3y \leq 24, \quad x, y \geq 0 \]

If \( U_{n+1} = 3U_n - 2U_{n-1} \) and \( U_0 = 2, U_1 = 3 \), then \( U_n \) is equal to

Which of the following is a false statement?