MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Earn 100

What is amphoteric oxide ? Give two examples.

Important Questions on Acids and Bases

HARD
Upper Secondary: IGCSE
IMPORTANT
Dinitrogen oxide is a neutral oxide. It is quite soluble in water. How could you prove it as neutral?
EASY
Upper Secondary: IGCSE
IMPORTANT
What will you start with, to make Zinc chloride ?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT

You would not make lead salts by reacting lead by acids.

Why not ?

MEDIUM
Upper Secondary: IGCSE
IMPORTANT

You would not make lead salts by reacting lead by acids.

Suggest a way to make lead nitrate.

MEDIUM
Upper Secondary: IGCSE
IMPORTANT

Look at step 2 in the given figure,The zinc was in excess. What does that mean?

Question Image

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
What is the purpose of titration?
EASY
Upper Secondary: IGCSE
IMPORTANT

For carrying out titration, a burette and pipette are used rather than measuring cylinder. Why ?

 

EASY
Upper Secondary: IGCSE
IMPORTANT
Name a reactant which can be used to make a salt ammonium nitrate.