Which of the following gases cannot be kept in a glass bottle because it chemically reacts with glass?
A
Sulphur
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B
Chlorine
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C
Fluorine
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D
Methane
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Solution
The correct option is C Fluorine Sealing fluorine in regular glass will do more than fog the surface. It will fairly quickly etch the glass and escape. Hence Fluorine gas can't be stored in glass bottle.