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Form 1 Chemistry KCSE Revision Questions and Answers on Introduction to Chemistry - with videos

Explain why it is important to put off a non-luminous flame immediately after use.

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Explanation/Answer Text:

- Non- luminous flame produces less light hence is not easily visible. It is therefore put off to prevent accidents.

Questions/Lessons List

1. State any two differences between luminous and nonluminous flames. ( free video lesson)

2. The diagram below shows a Bunsen burner when in use. Name the regions labeled C and D ( free video lesson)

3. Explain how the hotness of a Bunsen burner flame can be increased. ( free video lesson)

4. Explain why it is important to put off a non-luminous flame immediately after use. ( free video lesson)

5. Name an appropriate apparatus that is used to prepare standard solutions in the laboratory. ( free video lesson)

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