IIT JEE Questions And Answers :: Surfaces And Catalysis: part2



IIT JEE : Surfaces And Catalysis QUESTIONS AND ANSWERS :: part2 : 16 to 20

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

16.The colloidal system consisting of a liquid adsorbent and a gas adsorbate is termed as

Aerosol
Liquid aerosol
Foam
Gel.

17.Gold number gives an indication of

Protecting power of colloids
Purity of gold sol
Purity of any sol
Strength of gold sol in moles/per litre.

18.Which of the following statements is not true for chemisorption?

It is highly specific
Involves strong interactions between adsorbent and adsorbate
Extent of adsorption always decreases with increase in temperature
Adsorption is restricted to monomolecular layers.

19.The hydrophobic colloid among the following is

Gelatin
Starch
Sulphur
Albumin.

20.Which of the following statements is not true for a lyophobic sol?

It is irreversible
It is less stable
It carries charges
Its colloidal particles are highly solvated.

More Surfaces And Catalysis QUESTIONS AND ANSWERS available in next pages

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