WAEC Chemistry 2014 Objective — Question 48
Question 48 of 50 from the West African Examinations Council (WAEC) Chemistry 2014 Objective paper, with the correct answer and a full explanation.
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Which of the following gases is used to retard the vapourization of the filament in a light bulb?
- A. ArgonCorrect
- B. Helium
- C. Hydrogen
- D. Oxygen
Explanation
Argon gas is used to retard vapourization of the tungsten filament in a light bulb, being an inert gas.
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