polymerization
refining
hydrogenation
cracking
Correct answer is D
No explanation has been provided for this answer.
Which of the following metals cannot replace hydrogen from water or steam? ...
Which quantum number divides shells into orbitals? ...
When a solid melts and consequently boils, there is ...
A substance is said to be hygroscopic if it absorbs? ...
Sodium and potassium belong to the same group of the Periodic Table. This is because? ...
What is the atomic number of Hafnium? ...