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Marking schemes

FORM 3 BIOLOGY QUIZ

Identify the surfaces of gaseous exchange in the following:-                                                                       (i) amoeba                 (ii) Roots;                             (iii) Frog;             (b) Explain… Read More »FORM 3 BIOLOGY QUIZ

CHEMISTRY FORM 1

Explain why most of the laboratory apparatus are made of glass.                              (2marks) …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………. Explain how a mixture of sand and common salt be separated                    (3… Read More »CHEMISTRY FORM 1