Thermoplastic polymers arei) formed by addition polymerizationii) formed by condensation polymerizationiii) softened on heating and hardened on cooling for any number of timesiv) moulded by heating and cooling.

• A. ii) and iii) are true
• B. ii) and iv) are true
• C. i) and iv) are true
• D. i) and iii) are true