Why are the wooden shelves on which concentrated sulphuric acid bottles are kept stained black?
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Concentrated sulphuric acid is a very powerful dehydrating agent. It removes atoms of hydrogen and oxygen in the form of water from the cellulose [(C6H12O5)n], leaving behind carbon. It is black carbon which appears in the form of black stains.
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Explanation:
Concentrated sulphuric acid is a very powerful dehydrating agent. It removes atoms of hydrogen and oxygen in the form of water from the cellulose [(C6H12O5)n], leaving behind carbon. It is black carbon which appears in the form of black stains.
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