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Classification of Waste on the Basis of Source

ONE FINE MORN...

Question

ONE FINE MORNING REEMA OBSERVED A SWEEPER BURNING TWO HEAPS OF GARBAGE, ONE OF
WASTE PAPER AND ANOTHER OF OLD DISCARDED COTTON CLOTHES. TO HER SURPRISE BOTH

HEAPS PRODUCED SIMILAR ODOUR ON BURNING BOTH TURNED INTO GREVISH ASH. WHY ?

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Solution

It is because both waste paper and cotton clothes are plant products and are made up of carbon, hydrogen and oxygen. Due to their similar chemical nature mainly presence of carbon, both produce same odour and turn into grevish ash.

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Q. On burning her cotton handkerchief and a paper from her old notebook, naughty Sanjana found that both burned with the same odour and changed into grey ash. What can you conclude from this?
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(d) It is just a coincidence.

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Burning cotton or cotton clothes smell like burning paper whereas burning wool Smells Like a burning hair Why?

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Classification of Waste on the Basis of Source

Standard IX Biology

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