Question

Thermocol is

(a) Poly-urethane foam

(b) Polyisocyanurate foam

(c) Expanded polystyrene

(d) None of these​

Answer 1

Answer:

polystyrene

Explanation:

Thermocol contains an important thermoplastic compound, called polystyrene which is obtained by the polymerisation of styrene or phenylethene. The chemical properties of phenylethene are identical to polyethene. It responds very slowly to bacterial decomposition in the soil, thus making the soil infertile

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