The observation seen in the bell-jar while experimenting for components of air is:
A
brown fumes are seen initially in the bell-jar and the level of water falls down
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B
black fumes are seen initially in the bell-jar and the level of water rises up
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C
brown fumes are seen initially in the bell-jar and the level of water rises up
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D
black fumes are seen initially in the bell-jar and the level of water falls down
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Solution
The correct option is A brown fumes are seen initially in the bell-jar and the level of water rises up The observation seen in the bell-jar while experimenting for components of air is that brown fumes are seen initially in the bell-jar and the level of water rises up.