Chemistry 2018 Jamb Past Questions and Answers

Question 46 :

• JAMB 2018

In the reaction between sodium hydroxide and sulphuric acid solutions, what volume of 0.5 molar sodium hydroxide would exactly neutralise 10cm3 of 1.25 molar sulphuric acid?

A. 5cm\(^3\)
B. 10cm\(^3\)
C. 20cm\(^3\)
D. 50cm\(^3\)

Question 47 :

• JAMB 2018

To what volume must 300cm\(^3\) of 0.60M sodium hydroxide solution be diluted to give a 0.40M solution?

A. 450cm\(^3\)
B. 300cm\(^3\)
C. 200cm\(^3\)
D. 150cm\(^3\)

Question 48 :

• JAMB 2018

Diamond is a bad conductor of electricity because its bonding electrons are used in

A. Crystal lattice formation
B. Covalent bond formation
C. Metallic bond formation
D. Coordinate bond formation

Question 49 :

• JAMB 2018

The reaction between an organic acid and an alcohol in the presence of an acid catalyst is known as;

A. Saponification
B. Dehydration
C. Esterification
D. Hydrolysis

Question 50 :

• JAMB 2018

The constituent common to duralumin and alnico is

A. Co
B. Mn
C. Al
D. Mg