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\(_3\)