MEDIUM
Upper Secondary: IGCSE
IMPORTANT
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How would you show that magnesium oxide is a base?

Important Questions on Acids and Bases

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
How we can arrange carbon, phosphorus and sulphur in order of reactivity, using their reaction with oxygen.
HARD
Upper Secondary: IGCSE
IMPORTANT
What colour change do you see, on adding litmus solution to a solution of phosphorous pentaoxide ?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
What is amphoteric oxide ? Give two examples.
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?

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