write the names of the monomers of the following polymers:
(i) Polythene
(ii) Polyvinyl chloride
(iii) Bakelite

Explanation

To determine the monomers of the given polymers, we will analyze each polymer one by one.

### Step 1: Identify the monomer of Polythene
- **Polythene** is a polymer made from the monomer **ethene** (also known as ethylene).
- The chemical structure of ethene is represented as:
\[ \text{CH}_2=\text{CH}_2 \]
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