WAEC Chemistry 2013 Objective — Question 47
Question 47 of 50 from the West African Examinations Council (WAEC) Chemistry 2013 Objective paper, with the correct answer and a full explanation.
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Which of the following statements about thermoplastic material is correct? They
- A. do not melt on heating
- B. harden on heating
- C. decompose on heating
- D. soften and melt on heatingCorrect
Explanation
Unlike thermosets which harden permanently, thermoplastic materials soften and melt on heating.
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