EASY
11th Assam Board
IMPORTANT
Earn 100

Complete the following chemical reaction:
AlCl3(g)+H2O(l)
Classify the above into hydrolysis, redox, or hydration reactions.

 

Important Questions on Hydrogen

MEDIUM
11th Assam Board
IMPORTANT

Complete the following chemical reaction:
Ca3N2(s)+H2O(l)
Classify the above into hydrolysis, redox or hydration reactions.

MEDIUM
11th Assam Board
IMPORTANT
Describe the structure of the common form of ice.
MEDIUM
11th Assam Board
IMPORTANT
What causes the temporary and permanent hardness of water?
HARD
11th Assam Board
IMPORTANT
Discuss the principle and method of softening of hard water by synthetic ion-exchange resins.
MEDIUM
11th Assam Board
IMPORTANT
Write chemical reactions to show the amphoteric nature of water.
HARD
11th Assam Board
IMPORTANT
Write chemical reactions to justify that hydrogen peroxide can function as an oxidising as well as reducing agent.
MEDIUM
11th Assam Board
IMPORTANT
What is meant by ‘demineralised’ water and how can it be obtained?
MEDIUM
11th Assam Board
IMPORTANT
Is demineralised or distilled water useful for drinking purposes? If not, how can it be made useful?