Chemistry · May / June 2019 · Paper 11 · Question 1
An experiment is done to measure the rate of reaction between calcium carbonate and dilute hydrochloric acid. The gas formed is collected in a gas syringe. Which additional pieces of apparatus are essential to measure how the rate of the reaction changes with temperature and the amount of acid used?
- Abalance; thermometer
- Bmeasuring cylinder; balance
- Cthermometer; condenser
- Dthermometer; measuring cylinder
As printed in the paper
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Correct answer: D. thermometer; measuring cylinder
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