Please answer question B iv B Given below is a diagrammatic a
"Identify the defect.
'(ii) Mention two reasons for the above defect.
iii) •State how the defect can be rectified.
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raw a neat and well-labelled diagram of the
t the events taking place in the photo-chemica\phas ox Q oxos
1 • f vou are Dlanninq an experiment to show effeci \ X on
