Candidate's Strength

Candidates were able to:

-  solve questions on mass – mass relationships;
-  state the difference between a simple sugar and starch;
-  write the chemical equation to show the dissociation of H2CO3 and CH3COOH;
- state the uses of sodium trioxocarbonate (IV);
- solve questions on solubility and determine the percentage of substance in a saturated solution cooled;
- state the important points of Dalton’s Atomic Theory;
- state a test to confirm the conversion of sulphur dioxide to tetraoxosulphate (VI)                           acid;
- write a balanced chemical equation for the complete combustion of carbon;
- use Dalton’s atomic theory to explain the law of multiple proportions.