Q. Which of the following is used as laughing gas?

Question ID: 27037
  1. Nitrogen trioxide
  2. Nitrogen dioxide
  3. Nitrous oxide
  4. Nitrogen tetraoxide

SSC CGL 2020 Tier-I Question Paper Pdf Download - Click Here

SSC CHSL Question Paper 2021 Pdf Download - Click Here

❮ Prev       Next ❯


Categories
Tags
SSC Quiz Study Notes The Hindu Vocab