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ICSE Board Exam 1996 : Chemistry

5 pages, 61 questions, 61 questions with responses, 159 total responses,    0    0
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Indian Certificate of Secondary Education (ICSE), New Delhi
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SCIENCE Paper 2 (Chemistry) - 1996 (One hour and a half) Answers to this Paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent in reading the Question Paper. The time given at the head of this paper is the time allowed for writing the answers. Section I is compulsory. Attempt any four questions from Section II. The intended marks for questions or parts of questions are given in brackets [ ]. S ECTION I (40 Marks) Attempt all questions from this Section Question 1 (a) From the following list of substances, choose the substances which meet the description given in parts (i) to (v) below: Ammonium chloride, ammonium nitrate, chlorine, dilute hydrochloric acid, iron, lead nitrate, manganese (IV) oxide, silver nitrate, sodium nitrate, sodium nitrite, sulphur. [6] (i) Two compounds heated together in solution to produce nitrogen. (ii) An element which exists in two crystalline forms. (iii) A compound which on heating gives oxygen as the only gaseous product. (iv) A substance containing both molecules and ions. (v) Two compounds whose aqueous solution give white precipitates with dilute hydrochloric acid. Question 1 (b) What do you see when: [6] (i) Sodium hydroxide solution is added to zinc sulphate solution till it is in excess. (ii) Chlorine water is exposed to sunlight. (iii) Ammonia gas is bubbled through red litmus solution. (iv) Barium chloride solution is added to dilute sulphuric acid. Question 1 [6]

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Additional Info : Solved ICSE Board exam paper study guide - ICSE 1996 : SCIENCE Paper 2 (Chemistry) - I.C.S.E. Free Online Question Paper
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