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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)