NEET 2023 Manipur | Surface Chemistry Question 1 | Chemistry

This chapter is currently out of syllabus

NEET 2023 Manipur

MCQ (Single Correct Answer)

-1

Out of Syllabus

Which of the following is a positively charged sol?

Methylene blue sol

Congo red sol

Silver sol

Sb$$_2$$S$$_3$$ sol

NEET 2023

MCQ (Single Correct Answer)

-1

Out of Syllabus

Which one is an example of heterogenous catalysis?

Hydrolysis of sugar catalysed by $$\mathrm{H}^{+}$$ ions.

Decomposition of ozone is presence of nitrogen monoxide.

Combination between dinitrogen and dihydrogen to form ammonia in the presence of finely divided iron.

Oxidation of sulphur dioxide into sulphur trioxide in the presence of oxides of nitrogen.

NEET 2023

MCQ (Single Correct Answer)

-1

Out of Syllabus

Pumice stone is an example of -

gel

solid sol

foam

sol

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

Out of Syllabus

Shown below are adsorption isotherms for a gas 'X' at temperatures T₁, T₂ and T₃ :

NEET 2022 Phase 2 Chemistry - Surface Chemistry Question 4 English

p and $${x \over m}$$ represent pressure and extent of adsorption, respectively. The correct order of temperatures for the given adsorption is :

$${T_1} = {T_2} > {T_3}$$

$${T_1} > {T_2} > {T_3}$$

$${T_3} > {T_2} > {T_1}$$

$${T_1} = {T_2} = {T_3}$$

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