Que.

A preparation containing mercury with a chalk is called:

  • A. Grey powder
  • B. Zinc oxide powder
  • C. Dusting powder
  • D. Yellow powder

Right Answer is :
✓ A. Grey powder
Views 👍 :949 Share : Share StudyVidya.com on Facebook Share StudyVidya.com on WhatsApp

✒ To discuss this topic Comment