Acidic Nature of Sulphuric Acid

Q.

What is the chemical name of ${\mathrm{H}}_2{\mathrm{SO}}_4$?

Q.

Which acid is known as the "King of chemicals'?

1. Hydrochloric acid
2. Sulphuric acid
3. Carbonic acid
4. Nitric acid

Q.

Which acid is used for preparing fertilizers, dyes and drugs, etc.?

Q.

Choose the odd one out.

1. Chlorine

2. Citric acid

3. Iodine

4. Phenol

Q.

Sulphuric acid is used in the refining of petroleum and manufacturing of fibres.

1. False

2. True

Q.

What happens when SO₂ gas is passed through a potassium dichromate solution?

1. Colour changes from orange to green

2. Colour changes from orange to red

3. Colour changes from red to orange

4. Colour changes from red to violet

Q. can dissolve noble metals like gold and platinum.

1. Aqua fortis
2. Aqua regia
3. Aqua vitae

Q.

Why is concentrated sulphuric acid kept in air tight bottles?

Q. During conversion of ethanol to ethanoic acid, ethanol is _________.

1. reduced
2. hydrogenated
3. oxidised
4. decomposed

Q.

Phosphite rock when treated with phosphoric acid gives a fertiliser which is preferred to fertiliser obtained from the same mineral on treatment with concentrated sulphuric acid . Justify .