Why is argon used in lamps?AArgon forms molecules when electricity is passed through itBArgon is inert and so does not react with the hot filamentCArgon is less dense than airDArgon produces light when it burns
Why is argon used in lamps?
A
Argon forms molecules when electricity is passed through it
B
Argon is inert and so does not react with the hot filament
C
Argon is less dense than air
D
Argon produces light when it burns