EASY
10th CBSE
IMPORTANT
Earn 100

What do you mean by precipitation reaction? Explain it by giving examples.

Important Questions on Chemical Reactions And Equations

EASY
10th CBSE
IMPORTANT

Explain the following in terms of gain or loss of oxygen with two examples of each.

  • Oxidation
EASY
10th CBSE
IMPORTANT

Explain the following in terms of gain or loss of oxygen with two examples each.

  • Reduction
EASY
10th CBSE
IMPORTANT
A shiny brown coloured element 'X' on heating in air becomes black in colour. Name the element 'X' and the black coloured compound formed.
MEDIUM
10th CBSE
IMPORTANT
Why do we apply paint on iron articles?
EASY
10th CBSE
IMPORTANT
Oil and fat containing food items are flushed with nitrogen. Why?
EASY
10th CBSE
IMPORTANT
Explain the term corrosion with an example.
EASY
10th CBSE
IMPORTANT
Explain the term 'rancidity' with an example.
EASY
10th CBSE
IMPORTANT
When lead nitrate reacts with potassium iodide, yellow precipitate of