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 Form 1 Chemistry Sample Exam Revision Questions With Answers

The diagram below shows a Bunsen burner which is used as a source of heat in the laboratory.
a).Name the parts labeled: A,B
b).Explain how the hotness of a non-luminous flame can be increased.

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Answer Text:
a).A- Chimney
B- Air hole
b).By opening the air hole completely to allow more air into the chimney for the laboratory gas to burn completely.