Chemistry · May / June 2024 · Paper 12 · Question 38
A student measures the rate at which a fixed mass of magnesium reacts with a fixed volume of dilute hydrochloric acid. [diagram: conical flask labelled 'magnesium' and 'dilute hydrochloric acid', connected via delivery tube to a 'gas syringe'] Which additional pieces of apparatus are required for this experiment?
- Aa balance, a measuring cylinder and a stop-watch only
- Ba balance, a measuring cylinder and a thermometer only
- Ca balance, a stop-watch and a thermometer only
- Da measuring cylinder, a stop-watch and a thermometer only
As printed in the paper
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Correct answer: A. a balance, a measuring cylinder and a stop-watch only
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