Which of the following represents 'supply related market'?
ab ni de
ni re ab
pa ni re
de ab ni
None of these
supply⇒rerelated⇒abmarket⇒ni
Which method of purification is represented by the following equations?
Ni+4CO 70∘ C−−−→ Ni(CO)4 180∘ C−−−−→ Ni+4CO