Which gas is usually filled in the balloon?
A gas balloon flies in the air because it is filled with a gas which is lighter than air. Helium is mostly used in gas balloons.
645 MCQ for effective preparation of the test of Basics of Chemistry section.
Read the MCQ statement: Which gas is usually filled in the balloon? , keenly and apply the method you have learn through the video lessons for Basics to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 643-2829.