Engineering :: Engineering Materials
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Gel is
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[A]. |
a polymer having side groups distributed randomly along a vinyl polymer chain | [B]. |
a polymer having secondary chains branching from the main molecular chains
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[C]. |
A solid frme work of colloidal particles linked together and containing a fluid in its interstices | [D]. |
a polymer in which the repeating unit of each moleule has viny group |
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