O-LevelChemistryRates of Reaction5070/11 · Oct/Nov 2016 · Q171 Mark

A student investigates how the concentration of a reagent affects the rate of a chemical reaction. Which piece of apparatus is essential for all rate investigations?

Abalance

Bgas syringe

Cmeasuring cylinder

Dstopwatch

✓ Correct answer

D: stopwatch

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Topic: Rates of Reaction, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2016 Paper 1 Variant 1, question 17.

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