Question 39
Your teacher demonstrates this activity using 7 g of iron filings and 4 g of sulfur powder. Wear safety goggles. Heating is carried out by the teacher in a fume cupboard; do not touch the apparatus until it is completely cool. The teacher puts one to two scoops of the mixture in a test tube, plugs its mouth with mineral wool and heats until the mixture starts to glow, then turns off the burner. Write a word equation for the chemical reaction.
