MEDIUM
11th Assam Board
IMPORTANT
Earn 100

Describe the structure of the common form of ice.

Important Questions on Hydrogen

MEDIUM
11th Assam Board
IMPORTANT
Chemistry Part II Textbook for Class XI>Chapter 2 - Hydrogen>EXERCISES>Q 9.22
What causes the temporary and permanent hardness of water?
HARD
11th Assam Board
IMPORTANT
Chemistry Part II Textbook for Class XI>Chapter 2 - Hydrogen>EXERCISES>Q 9.23
Discuss the principle and method of softening of hard water by synthetic ion-exchange resins.
MEDIUM
11th Assam Board
IMPORTANT
Chemistry Part II Textbook for Class XI>Chapter 2 - Hydrogen>EXERCISES>Q 9.24
Write chemical reactions to show the amphoteric nature of water.
HARD
11th Assam Board
IMPORTANT
Chemistry Part II Textbook for Class XI>Chapter 2 - Hydrogen>EXERCISES>Q 9.25
Write chemical reactions to justify that hydrogen peroxide can function as an oxidising as well as reducing agent.
MEDIUM
11th Assam Board
IMPORTANT
Chemistry Part II Textbook for Class XI>Chapter 2 - Hydrogen>EXERCISES>Q 9.26
What is meant by ‘demineralised’ water and how can it be obtained?
MEDIUM
11th Assam Board
IMPORTANT
Chemistry Part II Textbook for Class XI>Chapter 2 - Hydrogen>EXERCISES>Q 9.27
Is demineralised or distilled water useful for drinking purposes? If not, how can it be made useful?
MEDIUM
11th Assam Board
IMPORTANT
Chemistry Part II Textbook for Class XI>Chapter 2 - Hydrogen>EXERCISES>Q 9.28
Describe the usefulness of water in biosphere and biological systems.
HARD
11th Assam Board
IMPORTANT
Chemistry Part II Textbook for Class XI>Chapter 2 - Hydrogen>EXERCISES>Q 9.29
What properties of water make it useful as a solvent? What type of compounds can it dissolve and hydrolyse?