Multiple choice

Which of the following is used in welding of iron?

  1. Westrosol

  2. PVC

  3. Acrylonitrile

  4. Oxyacetylene

  5. Lewisite

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

This option is correct because oxyacetylene is used in welding, cutting and cleansing of iron.