Solutions and Surface Chemistry MCQ question and answer with solution

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The process by which milk is converted into curd is called

A) pasteurisation B) vernalisation C) fermentation D) retting

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Water is a good solvent. This is due to high

A) dielectric constant of water B) surface tension of water C) specific heat of water D) heat fusion of water

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The solubility of a gas in liquid increases with

A) increase in temperature B) reduction in gas pressure C) decrease in temperature and increase in gas pressure D) amount of liquid taken

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Answer & Solution

Answer: Option C

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A hard shell of an egg was dissolved in HCl. The egg was then placed in a concentration solution of NaCl. What will happen?

A) The egg will shrink B) The egg will swell C) The egg will become harder D) There will be hardly any visible change

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Answer & Solution

Answer: Option A

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Which of the following is an example of sublimation?
1. Dry ice
2. Camphor
3. Ice

A) 1 and 2 B) 1, 2 and 3 C) Only 1 D) Only 2

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Answer & Solution

Answer: Option A

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Lake test of Al³⁺ ion is based on adsorption of blue litmus on solid surface of

A) Al B) Al(OH)₃ C) Al₂O₃ D) AlCl₃

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Answer & Solution

Answer: Option B

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The pH value of the solution obtained by complete neutralisation of hydrochloric acid and sodium hydroxide solution will be

A) exactly 7 B) zero C) more than 7 D) less than 7

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Answer & Solution

Answer: Option A

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Which type of colloidal system is expressed in the fog?

A) Liquid in a gas B) Gas in a liquid C) Solid in a gas D) Liquid in Liquid

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Answer & Solution

Answer: Option A

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Match the following columns.

Column-I	Column-II
a. Soap suds	1. Emulsion
b. Silt in water	2. Foam
c. Opal	3. Sol
d. Mayonnaise	4. Gel

A) a-1, b-2, c-3, d-4 B) a-3, b-4, c-2, d-1 C) a-4, b-2, c-3, d-1 D) a-2, b-3, c-4, d-1

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Answer & Solution

Answer: Option D

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If detergent is added

A) surface tension decreases B) surface tension increases C) surface tension can increase or decrease D) no effect

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Answer & Solution

Answer: Option A

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Solutions and Surface Chemistry MCQ question and answer with solution | Chemistry Gk MCQs