Question

name the gas which is filled in

1 electric bulbs
2 balloons and airships
​

Answer 1

Answer:

1. unreactive gases such as argon and nitrogen are used for filling an electric bulb.

2.Helium is extensively used for filling balloons

Answer 2

Answer:

in electric bulbs..the argon gas is filled

and in the balloon and airship has helium is filled

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