ST. FRANCIS SECONDARY SCHOOL HALF YEARLY …

FRANCIS SECONDARY SCHOOL HALF YEARLY EXAMINATION – SPECIMEN PAPER . FORM 3 CHEMISTRY TIME: 2 HOURS ... • What happens to the molecules of a liquid when the liquid boils to form a gas? (2 marks) • A tube is set up, as shown in the diagram below, with ammonia gas given ... and move past, air molecules. (1 marks) • Give the name of the ... ................
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