Tuition Center Singapore Chemistry Tuition – Experimental Techniques

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Tuition Center Singapore Chemistry Tuition – Experimental Techniques

Common Error 1

The accuracy of burette is ± 0.01.

Correct Concept 1

The accuracy of burette is ±0.05. Thus the burette reading can be 22.70 cm³ or 22.75 cm³ but not 22.74 cm³.

Common Error 2

Apple juice is a pure substance

Correct Concept 2

Apple juice is not a pure substance. It is a mixture of different substances such as citric acid and water.

Please contact Mr Ong @ 9863 9633 or Angie @ 96790479 if you need help in O level Pure or combined Chemistry