Which gas was commonly used in airships? March 11, 2021 / By Preparation Point / FBR Inspector inland revenue past papers Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA) Nitrogen B) Helium C) Hydrogen D) Hydrogen Sulphide Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn