MCQ
Select the one used as a basis for grouping Objects:
- AShape of the objects.
- BMaterials of which they are made.
- ✓Both the above.
- DNone of the above.
Objects can be grouped on the basis of their shape and also on the basis of the material of which they are made.
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$(i)$
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It is a bad conductor of heat.
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$(ii)$
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It is transparent.
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$(iii)$
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It is strong.
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