Jamb Chemistry Past Questions and Answers

Question 2171:

• JAMB 2021

In troposphere, the two types of pollutants are?

A. Gaseous and particulate pollutants
B. Carbon and metallic pollutants
C. Natural and man-made pollutants
D. Sulphuric and nitrogenous pollutants

Question 2172:

• JAMB 2021

One of the following is not a physical property of monosaccharides?

A. Monosaccharides get charred when heated
B. Monosaccharides are water-soluble, sweet substances
C. They are highly vital to the exploration of metals
D. They can be reduced to sugar alcohols

Question 2173:

• 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 2174:

• JAMB 2021

The reactions involving simultaneous oxidation and reduction?

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

Question 2175:

• JAMB 2021

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

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