Question

Riya noticed the colour of the flame on closing and opening the air holes and wrote her observations in her project file. (i) What was the colour of the flame do you think Riya might have written and why? (ii) Why the flame of a candle always points upwards? (iii) Classify the following as thermoplastic and thermosetting : a. Hand gloves b. Plugs c. Television casings d. Thermocol

Answer 1

Answer:

cant answer right now ________________________