Why is gypsum added to cement?

Important Questions on The s -Block Elements

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 9 - The s -Block Elements>QUESTIONS>Q 20

Why are alkali metals not found in the free state in nature?

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 9 - The s -Block Elements>QUESTIONS>Q 21

Potassium carbonate cannot be prepared by Solvay process. Why?

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 9 - The s -Block Elements>QUESTIONS>Q 22

Describe the important uses of caustic soda.

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 9 - The s -Block Elements>QUESTIONS>Q 23

Describe the important uses of sodium carbonate.

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 9 - The s -Block Elements>QUESTIONS>Q 24

Describe the important uses of quick lime.

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 9 - The s -Block Elements>QUESTIONS>Q 25

Draw the structures of
(i) ${\mathrm{BeCl}}_2$ (vapour) and
(ii) ${\mathrm{BeCl}}_2$ (solid)

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 9 - The s -Block Elements>QUESTIONS>Q 26

Describe the importance of Plaster of Paris.

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 9 - The s -Block Elements>QUESTIONS>Q 27

Which of the alkaline earth metal carbonates is thermally the most stable?