What are compulsory and facultative categories?

What is CNG ? What are its constituent and what is advantage of CNG over LPG ?

What are the two parts of an atom? What are they made up of?

Facultative absorption occurs in

Can you identify the correct sequence of taxonomical categories?

What are aryl halides.OR What are haloarenes?

What is lanthanide contraction? What are causes of lanthanide contraction

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?

On the basis of intracellular organization what are two different categories of living organisms.

The correct sequence of taxonomic categories is……….. .