Jamb Chemistry 2022 Past Questions and Answers

Question 21:

• JAMB 2022

In the preparation of salts, the method employed will depend on the?

A. Composition
B. Dissociating ability
C. Stability to heat
D. Precipitating ability

Question 22:

• JAMB 2022

The following non-metal form acidic oxides with oxygen except?

A. Phosphorus
B. Sulphur
C. Carbon
D. Chlorine

Question 23:

• JAMB 2022

How many neutrons are present in atom with mass number and atomic number 37 and 17 respectively?

A. 18
B. 20
C. 37
D. 17

Question 24:

• JAMB 2022

The sulphide that is commonly used in coating electric fluorescent tubes is?

A. Iron(ii)Sulphide
B. Tin(ii)sulphide
C. Zinc Sulphide
D. Lead(iv) Sulphide

Question 25:

• JAMB 2022

An organic compound which liberate carbon(iv)oxide from trioxocarbonate(iv) solution is likely to be?

A. C\(_2\)H\(_5\)OH
B. C\(_3\)H\(_4\)
C. C\(_6\)H\(_6\)
D. CH\(_3\)COOH