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Showing posts with label class12-chemistry. Show all posts
Showing posts with label class12-chemistry. Show all posts
Friday 25 December 2015
Saturday 17 January 2015
CBSE Class 12 - Chemistry - Question Paper (2014)
CHEMISTRY (Theory)
2014
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[Time allowed: 3hrs] | [Maximum Marks:70] |
General Instructions :
(i) All questions are compulsory.
(ii) Questions numbers 1 to 8 are very short-answer questions and carry 1 mark each.
(iii) Questions numbers 9 to 18 are also short-answer questions and carry 2 marks each.
(iv) Questions numbers 19 to 27 are long-answer questions and carry 3 marks each.
(v) Questions numbers 28 to 30 are long-answer questions and carry 5 marks each.
(vi) Use Log Tables,if neccessary.Use of calculators is not allowed.
(i) All questions are compulsory.
(ii) Questions numbers 1 to 8 are very short-answer questions and carry 1 mark each.
(iii) Questions numbers 9 to 18 are also short-answer questions and carry 2 marks each.
(iv) Questions numbers 19 to 27 are long-answer questions and carry 3 marks each.
(v) Questions numbers 28 to 30 are long-answer questions and carry 5 marks each.
(vi) Use Log Tables,if neccessary.Use of calculators is not allowed.
1. | Give one example of sol and gel? | 1 |
2. | Which reducing agent is employed to get copper from the leached low grade copper ore? | 1 |
3. | Write the IUPAC name of the compound | 1 |
CH3 - CH - CH2 - CHO
NH2 |
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4. | Which of the following isomers is more volatile : | 1 |
o-nitrophenol or p-nitrophenol ? | ||
5. | Some liquids on mixing form 'azeotropes'. What are 'azeotropes' ? | 1 |
6. | Arrange the following in increasing order of basic strength : | 1 |
C6H5NH2, C6H5NHCH3, C6H5CH2NH2 |
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