Apparatus: pair of a tongs , knife, burner. Chemicals: sample of aluminium , copper , iron, lead, magnesium, zinc, sodium 1) Which metal catches fire easily ? 2) How does the surface of metal appears on catching fire ? 3) what is the colour of the flame when the metal is burning on a flame ?
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chemical and sodium catch fire easily
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2nd questions Answer
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Answer:
1) Sodium catches fire rapidly
2) Surface of the metal appears blackish colour in colour
3) The colour of the flam blue in colour
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