Question

Which of the following is not a use of noble gases ?

• A. Argon is widely used for filling incandescent electric bulbs
• B. Neon is used in safety devices for protecting electrical instruments
• C. Radon is used in radiotherapy of cancer
• D. Helium is filled in tubes of cycles and scooters tyres

Answer 1

Answer: (D)

Helium is used in filling tubes of aeroplane tyres.