Updated 12th Standard CBSE Chemistry Study Materials 2022-2023 Exams

CBSE 12th Standard Chemistry Subject Surface Chemistry HOT Questions 2 Mark Questions With Solution 2021 Archana Singh - Deoghar May-28 , 2021

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CBSE 12th Standard Chemistry Subject Surface Chemistry HOT Questions 2 Mark Questions With Solution 2021

12th Standard CBSE

Chemistry

Time : 00:20:00 Hrs

Total Marks : 10

Why is it necessary to remove carbon monoxide when ammonia is obtained by Haber's process?

2

Critical temperatures of N₂, CO and CH₄ is 126, 134 and 190 K respectively. Arrange them in increasing order of adsorption on the surface of charcoal. Give reason.

2

Explain the curdling of milk when it is sour.

2

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