Chemistry Paper 3 WASSCE (PC 2ND), 2022

CANDIDATES' STRENGTHS

 

Candidates were able to:

-           calculate the concentration of acid in moldm-3;
-           calculate the concentration of base in moldm-3;
-           write correct inferences;
-           state the reason why phenolphthalein is used in the titration of CH3COOH(aq) with NaOH(aq).
-           outline a suitable method for separating a mixture of glucose and starch.