Give any norms for reducing sulphur and aromatic contents of petrol and diesel.

Give any two uses of silicon .

Give any four uses of sulfuric acid

Give any two uses of kMnO_4

Recently, it has been made compulsory in India and some other countries to mix 10% ethanol with fuels like petrol and diesel. What is the reason for this?

Use your brain power Recently, it has been made compulsory in India and some other countries to mix 10% ethanol with fuels like petrol and diesel. What is the reason for this ?

Give any two examples of Pteridophyta.

Give any two examples of products formed by fermentation.

Give any two uses of : (ii) Freons

What are the benefits of mixing ethanol with petrol and diesel?

Give an example of a side chain aromatic acid.