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Science CBSE Homework Assignments
Class 8
Coal and petroleum
Petroleum
1.
Petrochemical-properties and uses
Question:
3
m.
Match
the following
:
Colum I
Colum II
Coal tar
fractional distillation
naphthalene balls
lighting
exothermic reaction
dead remains of plants and animals
carbonisation
manufacturing of steel
Calorific Value
Fuels for jet aircraft
Heat
no smoke
Fuels for heavy vehicles
CNG
Sunlight
melting of ice glaciers
cleaner fuel
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