1
JEE Main 2021 (Online) 25th July Evening Shift
Numerical
+4
-1
An LPG cylinder contains gas at a pressure of 300 kPa at 27$$^\circ$$. The cylinder can withstand the pressure of 1.2 $$\times$$ 106 Pa. The room in which the cylinder is kept catches fire. The minimum temperature at which the bursting of cylinder will take place is __________$$^\circ$$ C. (Nearest integer)
Your input ____
2
JEE Main 2021 (Online) 25th July Morning Shift
Numerical
+4
-1
A home owner uses 4.00 $$\times$$ 103 m3 of methane (CH4) gas, (assume CH4 is an ideal gas) in a year to heat his home. Under the pressure of 1.0 atm and 300 K, mass of gas used is x $$\times$$ 105 g. The value of x is __________. (Nearest integer)
(Given R = 0.083 L atm K$$-$$1 mol$$-$$1)
(Given R = 0.083 L atm K$$-$$1 mol$$-$$1)
Your input ____
3
JEE Main 2021 (Online) 20th July Evening Shift
Numerical
+4
-1
The vapour pressures of A and B at 25$$^\circ$$C are 90 mm Hg and 15 mm Hg respectively. If A and B are mixed such that the mole fraction of A in the mixture is 0.6, then the mole fraction of B in the vapour phase is x $$\times$$ 10$$-$$1. The value of x is ___________. (Nearest integer)
Your input ____
4
JEE Main 2021 (Online) 17th March Evening Shift
Numerical
+4
-1
The number of chlorine atoms in 20 mL of chlorine gas at STP is _________ 1021. (Round off to the Nearest Integer).
[Assume chlorine is an ideal gas at STP
R = 0.083 L bar mol$$-$$1 K$$-$$1, NA = 6.023 $$\times$$ 1023]
[Assume chlorine is an ideal gas at STP
R = 0.083 L bar mol$$-$$1 K$$-$$1, NA = 6.023 $$\times$$ 1023]
Your input ____
Questions Asked from Gaseous State (Numerical)
Number in Brackets after Paper Indicates No. of Questions
JEE Main 2022 (Online) 29th July Evening Shift (1) JEE Main 2022 (Online) 27th July Evening Shift (1) JEE Main 2022 (Online) 27th July Morning Shift (1) JEE Main 2022 (Online) 26th July Evening Shift (1) JEE Main 2022 (Online) 26th July Morning Shift (1) JEE Main 2022 (Online) 25th July Evening Shift (1) JEE Main 2022 (Online) 25th July Morning Shift (1) JEE Main 2022 (Online) 30th June Morning Shift (1) JEE Main 2022 (Online) 29th June Morning Shift (1) JEE Main 2022 (Online) 28th June Evening Shift (1) JEE Main 2022 (Online) 26th June Morning Shift (1) JEE Main 2022 (Online) 25th June Evening Shift (1) JEE Main 2022 (Online) 24th June Evening Shift (1) JEE Main 2021 (Online) 1st September Evening Shift (1) JEE Main 2021 (Online) 25th July Evening Shift (1) JEE Main 2021 (Online) 25th July Morning Shift (1) JEE Main 2021 (Online) 20th July Evening Shift (1) JEE Main 2021 (Online) 17th March Evening Shift (2) JEE Main 2021 (Online) 16th March Evening Shift (1) JEE Main 2021 (Online) 26th February Morning Shift (2) JEE Main 2021 (Online) 25th February Morning Shift (1) JEE Main 2021 (Online) 24th February Evening Shift (1) JEE Main 2020 (Online) 6th September Morning Slot (1)