List of top Questions asked in JEECUP

What is the common name of \(CH_3COOH\)? 

A current of 5 A flows through a wire for 10 minutes. The total charge passed is: 

The value of \(\sin^2 30^\circ + \cos^2 30^\circ\) is: 

Which gas is liberated when an acid reacts with a metal? 

The sum of the first 10 terms of an AP with \(a=2\) and \(d=3\) is: 

An object of 10 kg at a height of 5 m has potential energy (\(g = 9.8\,m/s^2\)): 

The SI unit of power is: 

Probability of getting a number \(>4\) on a fair die is:

Which non-metal is liquid at room temperature? 

Which of these is a saturated hydrocarbon?

A light wave of wavelength 600 nm passes through a double-slit apparatus with a slit separation of 0.2 mm. What is the angular separation (in degrees) of the first-order bright fringe?
If sin θ + cos θ = √2, what is the value of sin θ · cos θ?
A bag contains 4 red and 6 blue balls. Two balls are drawn at random without replacement. What is the probability that both are red?
The roots of the quadratic equation x² - 5x + k = 0 are real and distinct. What is the range of values for k?
A gas undergoes an isothermal process at 300 K, and its volume increases from 2 L to 4 L. If the initial pressure is 2 atm, what is the work done by the gas? (R = 8.314 J/mol·K, assume 1 mole)
What is the IUPAC name of the compound CH₃-CH₂-CO-CH₃?
A point P divides the line segment joining A(2, 3) and B(8, 9) in the ratio 1:2. What are the coordinates of P?
For the reaction N₂(g) + 3H₂(g) ⇌ 2NH₃(g), the equilibrium constant Kc is 0.5 at 400 K. If [N₂] = 0.1 M, [H₂] = 0.2 M, and [NH₃] = 0.05 M, what is the reaction quotient Qc?
Which of the following molecules has a trigonal planar molecular geometry?
A block of mass 5 kg is placed on a frictionless surface and pushed with a force of 20 N at an angle of 30° to the horizontal. What is the acceleration of the block?
A fan always has
The value of \( \sqrt[3]{72.9} \) is:
Water falls from 100 metre height. What will be temperature rise per kg of water due to fall?
\(g = 10 \, \text{m/s}^2\), specific heat of water = 4200 Joule/kg°C
Two resistances combine in series order to provide 50 ohms resultant resistance, and when they combine in parallel order, they provide 8 ohms resultant resistance. Then the value of each resistance is:
If 7 is the mean of 5, 3, 0.5, 4.5, \( a \), 8.5, 9.5, then the value of \( a \) is: