Which of the following is not used in making matchsticks these days?

1. potassium chlorate
2. white phosphorus
3. antimony tri sulphide
4. red phosphorus

Correct answer: B. white phosphorus

Explanation: White phosphorus undergoes spontaneous combustion. Hence it is not used in making matchsticks nowadays.

Tutorialspoint

Updated on: 10-Oct-2022

155 Views

Kickstart Your Career

Get certified by completing the course

Get Started