Day: August 31, 2022

CHEMISTRY Paper 3 (PRACTICAL) 1. You are provided with: – 2.0 g of substance A, labelled solid A. – Solution B, 0.05 M hydrochloric acid. – Methyl orange indicator. You are required to determine the: – solubility of substance A in water. – relative Read More …

Paper 2 (THEORY) 1 (a) (i) Carbon (IV) oxide is present in soft drinks. State two roles of carbon (IV) oxide in soft drinks. (l mark) (ii) Explain the observation made when a bottle containing a soft drink is opened. Read More …