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Question
A spoon was kept in contact with ice cubes for some time. Later, the same spoon was held over the flame of a small candle. The figure shows the observation. What do you infer from the given figure ?
A spoon was kept in contact with ice cubes for some time. Later, the same spoon was held over the flame of a small candle. The figure shows the observation. What do you infer from the given figure ?
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Solution
The correct option is D Water vapour is a product of combustion
From the figure what we infer is that the spoon which was earlier in contact with ice cube, on heating gives water vapour because of vapourisation of water on heating. equilibrium is achieved firstly on heating cold liquid water then only vapours start appearing , showing combustion reaction is completed.
From the figure what we infer is that the spoon which was earlier in contact with ice cube, on heating gives water vapour because of vapourisation of water on heating. equilibrium is achieved firstly on heating cold liquid water then only vapours start appearing , showing combustion reaction is completed.
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