Botswana General Certificate of Secondary EducationQueued — topic map only

Design and Technology — BGCSE

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Practice available now (1 question)

Which instrument is most suitable for measuring 25.0 cm³ of dilute acid to the nearest 0.1 cm³?

1 mark · Choose · Units, measuring instruments and significant figures

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Answer: Burette

  1. Precision needed: 0.1 cm³
  2. Burette reads to 0.05 cm³, so it meets the precision requirement

Instrument questions are answered in two steps: what precision is demanded, then which instrument provides at least that precision.