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ISC Board Specimen 2018 : Chemistry Paper 2 (Practical)

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ISC 12th
Indian School Certificate Examination (ISC), New Delhi
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CHEMISTRY PAPER 2 (PRACTICAL) (Maximum Marks: 30) (Time allowed: Three hours) (Candidates are allowed additional 15 minutes for only reading the paper. They must NOT start writing during this time.) --------------------------------------------------------------------------------------------------------------------ALL ANSWERS MUST BE WRITTEN IN THE ANSWER BOOKLET PROVIDED SEPARATELY. Question 1 is an oxidation-reduction titration in which sufficient working details are given. All essential working must be shown. Question 2 is an exercise dealing with identification of organic compounds. Credit will be given for precise observations recorded and for well-drawn deductions. Question 3 is an exercise in qualitative analysis. --------------------------------------------------------------------------------------------------------------------Read the questions carefully and follow the given instructions. Attempt all questions. All working, including rough work, should be done on the same sheet as the rest of the answer. The intended marks for questions or parts of questions are given in brackets [ ]. --------------------------------------------------------------------------------------------------------------------Attempt all questions. Question 1 [7] You are provided with two solutions as follows: C-10 is a solution containing 3 2 gms of potassium manganate (VII) (KMnO4) per litre. C-11 is a solution prepared by dissolving 6 85gms of impure sample of oxalic acid crystals (H2C2O4 2H2O) per litre. [ -------------------------------------------------------------------------------------------------------------------------1 ISC 2018 SPECIMEN QUESTION PAPER

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