answer this matchings urgently.. coloum A...... 1 sky appears blue 2 separation of lubricating oil from crude Petroleum 3 lightest non metal 4 melting of chocolate 5 separation of oil and water. ...... coloum B 1 fractional distillation 2 tyndall effect 3 physical change 4 separating funnel 5 hydrogen
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3-5
4-3
5-4
1-2 ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
2-1
3-5
4-3
5-4 is the anawer