How to make hydrogen gas ballon at home . hydrogen gas kaise banae //how to make flying //

Gas ballon how to make at home. In this video make hydrogen gas at home in Hindi . ballon .caustic soda gas tank and aluminum foil water .and fun science experiment you can try at home . thanks video subscribe to big bang naw. thanks.
PART 2 ---------- hydrogen gas balloon machine_________https://youtu.be/ZMAiHT-p7qI

Видео How to make hydrogen gas ballon at home . hydrogen gas kaise banae //how to make flying // канала big bang naw