Chemistry WAEC Past Questions

Exam Type:

Exam year:

Question Type:

Topics:

1636

The bond between NH\(_3\) and H\(^+\) in NH4\(^+\) is?

View Answer & Discuss WAEC 2020

1637

Which of the following oxides has a giant covalent structure?

View Answer & Discuss WAEC 2020

1638

Which of the following hydroxides is not readily soluble in water?

View Answer & Discuss (1) WAEC 2020

1639

Which of the following statements about the solubility of a salt is correct?

A. A salt whose solubility increases with temperature would not crystallize easily on cooling
B. A salt whose solubility is independent of temperature would normally crystallize out on cooling
C. Crystallization would be efficient in separating out a salt whose solubility increases considerably with temperature
D. Solubility of a solid does not affect its crystallization

View Answer & Discuss (2) WAEC 2020

1640

How many moles of H\(_2\)SO4 are there in 50 cm\(^3\) of 0.108 mol dm\(^3\) solution of the acid?