Mention 5 ways into which we can classify materials found on the Earth. [5 MARKS]

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Solution

Classifications: 1 Mark each

Objects are grouped on the basis of properties like:

Any 5:
Lustre - lustrous, non-lustrous
Hardness - hard, soft
Transparency - transparent, translucent, opaque
Solubility - soluble, insoluble
Floatation - floating materials, sinking materials
Attraction towards magnets - magnetic, non-magnetic
Conduction of heat - good conductors, bad conductors
Conduction of electricity - good conductors, bad conductors

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