Page 232 - ICSE Chemistry 8
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8. WATER
Water
Soft water Hard water
Produces rich lather Temporary Permanent
hardness hardness
with soap
Removed by
Removed by adding
boiling
chemicals
9. CARBON AND ITS COMPOUNDS
Allotropes of Carbon
Crystalline Amorphous
form form
Diamond Graphite Fullerenes Charcoal Coke Gas Lamb black Coal
carbon or carbon
black or
soot
Wood charcoal Peat
Activated charcoal Lignite
Bone or animal
Bituminous
charcoal
Sugar charcoal Anthracite
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