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Previous Year’s CBSE Board Questions

Previous Year’s CBSE Boards Questions – Soaps and Detergents (Carbon and its Compounds)

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Soaps and Detergents – Give reasons for the following observation – Use of synthetic detergents causes pollution of water. (1/3 mark, Delhi 2009) Need clue – Click Here Explain the cleansing action of soap. (2/5 marks, Foreign 2009) Need clue – Click Here Why does micelle formation take place when soap is added to water? …

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Previous Year’s CBSE Board Questions -Some Important Carbon Compounds – Ethanol and Ethanoic acid

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Some Important Carbon Compounds – Ethanol and Ethanoic acid 1. Write the name and molecular formula of an organic compound having its name suffixed with ‘-ol’ and having two carbon atoms in its molecule. Write balanced chemical equation to indicate what happens when it is heated with excess of conc. H2S04 and the name of …

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