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Class 12th CBSE 2014 Chemistry Paper Set 2

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Class-12th CBSE
Subject- Chemistry Set 2
year-2014    

Here is some questions:-
1. Give one example each of sol and gel.
2. Which reducing agent is employed to get copper from the leached low grade copper ore ?
3. Which of the following isomers is more volatile :
o-nitrophenol or p-nitrophenol ?
4. Some liquids on mixing form 'azeotropes'. What are 'azeotropes' ?

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