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  1. Tardigrade
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  4. A home owner uses 4.00 × 103 m 3 of methane ( CH 4) gas, ( assume CH 4 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 × 105 g. The value of x is (Nearest integer) (. Given R=0.083 L atm K -1 mol -1 )

Q. A home owner uses of methane gas, ( assume is an ideal gas) in a year to heat his home. Under the pressure of and , mass of gas used is . The value of is (Nearest integer) Given )

JEE Main JEE Main 2021States of Matter Report Error

Solution:



Weight of

Questions from JEE Main 2021

1. Which of the following are isostructural pairs?

A. and

B. and

C. and

D. and

Chemical Bonding and Molecular Structure

2. What is the final product (major) 'A' in the given reaction ?

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3. In the following reaction the reason why meta-nitro product also formed is :

Amines

4. In Freundlich adsorption isotherm, slope of AB line is :

Surface Chemistry

5. (A)
(B)
Choose the correct option.

Redox Reactions

Questions from States of Matter

1. Assuming ideal gas behaviour, the ratio of density of ammonia to that of hydrogen chloride at same temperature and pressure is : (Atomic wt. of )

JEE Main 2018

2. Which one of the following statements is not true about the effect of an increase in temperature on the distribution of molecular speeds in a gas ?

AIEEE 2005

3. As the temperature is raised from to , the average kinetic energy of neon atoms changes by a factor of which of the following?

AIEEE 2004

4. Which of the following statement(s) is(are) correct regarding the root mean square speed () and average translational kinetic energy of a molecule in a gas at equilibrium ?

JEE Advanced 2019

5. What will be the relation between the of gas with and of gas with if the average speed of gas is equal to most probable speed of gas ?

J & K CET 2018

Chemistry Most Viewed Questions

1. If for a certain reaction is at , the value of (in for which the same reaction will be spontaneous at the same temperature is

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2. If of a non-electrolyte solute is dissolved in of n-octane to reduce its vapour pressure to , the molar mass (in of the solute is [Given that molar mass of n-octane is

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3. At standard conditions, if the change in the enthalpy for the following reaction is Given that bond energy of and is and , respectively, what is the bond energy (in of ?

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4. An organic compound contains (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is: [Atomic wt. of is is ]

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5. The density of 2 M aqueous solution of NaOH is 1.28 g/cm. The molality of the solution is
[Given that molecular mass of NaOH = 40 g mol]

NEET 2019 Some Basic Concepts of Chemistry

6. Given below are half cell reactions:




Will the permanganate ion, liberate from water in the presence of an acid ?

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7. In water saturated air the mole fraction of water vapour is . If the total pressure of the saturated air is , the partial pressure of dry air is :

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8. Following limiting molar conductivities are given as



for will be-

NEET 2019 Electrochemistry

9. One atom of an element weighs . Its atomic mass is

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10. In the following reaction,
A,
the number of sigma(s) bonds present in the product A is :-

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