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Subjects
Science CBSE
Class 8
Coal and petroleum
Different types of natural resources
6.
Petrochemical-properties and uses
Exercise condition:
3
m.
Match
the following
:
Colum I
Colum II
Combustion
naphthalene balls
exothermic reaction
manufacturing of steel
dead remains of plants and animals
fractional distillation
lighting
Calorific Value
Heat
no smoke
Fuels for jet aircraft
Fuels for heavy vehicles
Global warming
Sunlight
melting of ice glaciers
cleaner fuel
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