Prove that sulphuric acid is a dibasic acid.

Important Questions on Inorganic Chemistry in the Laboratory and in Industry

EASY

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 11 - Inorganic Chemistry in the Laboratory and in Industry>EXERCISE>Q 2

State the conditions of oxidation of ${\mathrm{SO}}_2$ into ${\mathrm{SO}}_3$.

MEDIUM

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 11 - Inorganic Chemistry in the Laboratory and in Industry>EXERCISE>Q 3

What is 'oleum'? Give its formula.

EASY

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 11 - Inorganic Chemistry in the Laboratory and in Industry>EXERCISE>Q 4

Name the catalyst and promoters used in Haber's process of manufacture of ammonia.

MEDIUM

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 11 - Inorganic Chemistry in the Laboratory and in Industry>EXERCISE>Q 5

What are the chemicals used in the laboratory preparation of ammonia. Give the reaction.

MEDIUM

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 11 - Inorganic Chemistry in the Laboratory and in Industry>EXERCISE>Q 6

Why concentrated nitric acid not used in the preparation of $\mathrm{HCl}$?

MEDIUM

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 11 - Inorganic Chemistry in the Laboratory and in Industry>EXERCISE>Q 7

Hydrogen chloride is passed into toluene solution. The solution does not turn blue litmus red- Why?

EASY

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 11 - Inorganic Chemistry in the Laboratory and in Industry>EXERCISE>Q 8

Why ${\mathrm{P}}_2{\mathrm{O}}_5$ is not used as a drying agent for ammonia?

MEDIUM

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 11 - Inorganic Chemistry in the Laboratory and in Industry>EXERCISE>Q 9

[A] when heated with slaked lime a gas B is obtained. [B] has a pungent smell and its aqueous solution turns colourless phenolphthalein pink.
Identify [A] and [B].