Intermediate First Year Chemistry>Chapter 9 - The s -Block Elements>QUESTIONS>Q 18

HARD

11th Telangana Board

IMPORTANT

Earn 100

Write the average composition of Portland 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 19

Why is gypsum added to cement?

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)

{BeCl}_{2}

(vapour) and
(ii)

{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.