The gas that used in bulb is............?
a) Oxygen b)nitrogen c)hydrogen d)co2
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The gas that used in bulb is............?
a) Oxygen b)nitrogen c)hydrogen d)co2..
Answer is b) Nitrogen.
The gas usually argon and/or nitrogen is used in bulbs.
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The gas that used in bulb is............?
a) Oxygen b)nitrogen c)hydrogen d)co2..
The gas that used in bulb is............?
a) Oxygen b)nitrogen c)hydrogen d)co2..
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