Jamb Chemistry 2022 Past Questions and Answers

Question 1:

• JAMB 2022

In which of the following will hydrogen form ionic compound?

A. HCL
B. NaH
C. NH${}_3$
D. CH${}_4$

Question 2:

• JAMB 2022

If the volume of a given mass of a gas at 0ºc is 29.5cm${}^3$. What will be the volume of the gas at 15ºc, given that the pressure remains constant.

A. 31.6
B. 62.2
C. 32.7
D. 31.1

Question 3:

• JAMB 2022

The reactions below represent neutralization reaction, in which of them is the value of ΔH highest?

A. CH${}_3$CH${}_2$COOH + KOH → CH${}_3$CH${}_2$COOK + H${}_2$O
B. NH${}_4$OH + HCL → NH${}_4$ + H${}_2$O
C. NaOH + HCL → NaCL + H${}_2$O
D. CH${}_3$COOH + NaOH → CH${}_3$COONa + H${}_2$O

Question 4:

• JAMB 2022

The pollutant usually presents in a city which generates its electricity from coal?

A. Fog
B. Carbon(ii)oxide
C. Smog
D. Sulphur(iv)oxide

Question 5:

• JAMB 2022

The dehydration of CH${}_3$CH${}_2$CH${}_2$CH${}_2$OH will give?

A. HC≡CCH${}_2$CH${}_3$
B. CH${}_2$≡CH${}_2$CH${}_3$
C. CH${}_3$C≡CCH${}_3$
D. CH${}_3$CH=CHCH${}_3$