Jamb Chemistry 2021 Past Questions and Answers

Question 6:

• JAMB 2021

A chemical process in which there is a gain of electrons is known as?

A. Sublimation
B. Reduction
C. Oxidation
D. Distillation

Question 7:

• JAMB 2021

The reactions involving simultaneous oxidation and reduction?

A. Automatic reactions
B. Alternate reactions
C. Reduction agency
D. Redox reactions

Question 8:

• JAMB 2021

A binary compound of oxygen with another element is referred to as?

A. Oxide
B. Element
C. Carbon
D. Nitrogen

Question 9:

• JAMB 2021

The process or act of extracting a metal from its ore and refining it is called?

A. Extraction
B. Metal mining
C. Mettallurgy
D. Prospecting

Question 10:

• JAMB 2021

The compounds made up of only carbon and hydrogen are called?

A. Carbon compounds
B. Hydrocarbons
C. Atoms
D. Carbon hydrolysis