Multiple choice

Which of the following chemicals is/are poisonous and no longer used in making the tips of matchsticks these days?

a. White phosphorus b. Antimony trisulphide c. Potassium chlorate

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the correct option as white phosphorus is poisonous and is no longer used in making the tips of matchsticks these days.