Question

the coating on the side of matchboxes contains?????​

Answer 1

Answer:

The chemical present in matchstick is potassium chlorate, sulfur, starch and glue. These chemicals present on the tip of the matchstick. Matchbox striking surface contains red phosphorus, powdered glass and glue

Explanation:

Answer 2

Side of matchboxes contain red phosphorus, powdered glass and glue

- when the matchsticks’ head is rubbed onto the side of the matchbox, red phosphorus changes to white phosphorus due to friction