Chemistry · May / June 2016 · Paper 12 · Question 2

A student plans two experiments. experiment 1 find the concentration of a solution of sodium hydroxide by titration with dilute hydrochloric acid experiment 2 find the rate of the reaction between pieces of calcium carbonate and dilute hydrochloric acid by measuring the volume of gas given off every minute A flask is provided. Which other apparatus is needed?

1. Aexperiment 1: balance, measuring cylinder, thermometer; experiment 2: gas syringe, clock
2. Bexperiment 1: burette, pipette; experiment 2: balance, measuring cylinder, thermometer
3. Cexperiment 1: burette, pipette; experiment 2: gas syringe, clock
4. Dexperiment 1: gas syringe, clock; experiment 2: burette, pipette

As printed in the paper