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JEE Main 2023 (Online) 24th January Evening Shift
Numerical
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The number of statement/s which are the characteristics of physisorption is __________

A. It is highly specific in nature

B. Enthalpy of adsorption is high

C. It decreases with increase in temperature

D. It results into unimolecular layer

E. No activation energy is needed

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JEE Main 2022 (Online) 28th July Evening Shift
Numerical
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Among the following the number of curves not in accordance with Freundlich adsorption isotherm is ________.

(a) JEE Main 2022 (Online) 28th July Evening Shift Chemistry - Surface Chemistry Question 29 English 1

(b) JEE Main 2022 (Online) 28th July Evening Shift Chemistry - Surface Chemistry Question 29 English 2

(c) JEE Main 2022 (Online) 28th July Evening Shift Chemistry - Surface Chemistry Question 29 English 3

(d) JEE Main 2022 (Online) 28th July Evening Shift Chemistry - Surface Chemistry Question 29 English 4

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JEE Main 2022 (Online) 30th June Morning Shift
Numerical
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100 mL of 0.3 M acetic acid is shaken with 0.8 g of wood charcoal. The final concentration of acetic acid in the solution after adsorption is 0.125 M. The mass of acetic acid adsorbed per gram of carbon is _____________ $$\times$$ 10$$-$$4 g.

(Given : Molar mass of acetic acid = 60 g mol$$-$$1)

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JEE Main 2022 (Online) 27th June Evening Shift
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JEE Main 2022 (Online) 27th June Evening Shift Chemistry - Surface Chemistry Question 40 English

If the initial pressure of a gas is 0.03 atm, the mass of the gas adsorbed per gram of the adsorbent is ___________ $$\times$$ 10$$-$$2 g.

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