PPSC ZILADAR(Research/DLR Zone)(14-20G2020) Irrigation Department, Everyday Science MCQs, PPSC Solved Past Papers MCQsThe gas, commonly known as “laughing gas” is? Posted on March 29, 2021May 10, 2021 by Rana TahirA. Carbon Dioxide B. Sulfur Dioxide C. Nitrous Oxide D. Sodium OxideShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)
