HomeEveryday Science MCQsWhich gas is commonly used in balloons and airships? 790. Which gas is commonly used in balloons and airships?By Admin / September 17, 2025 A. Helium B. Hydrogen C. Carbon D. Chlorine ✅ The correct answer is option A.
1. Which of the following does not pollute the air? Leave a Comment / Everyday Science MCQs / By Admin
2. Which of the following planets have the longest day? Leave a Comment / Everyday Science MCQs / By Admin