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ICSE Board Exam 1997 : Chemistry

5 pages, 65 questions, 65 questions with responses, 105 total responses,    0    1
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Indian Certificate of Secondary Education (ICSE), New Delhi
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SCIENCE Paper 2 (Chemistry) - 1997 (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) Name one element, in each case, to which the following descriptions could apply: [4] (i) The molten metal which gives white fumes when reacting with chlorine; (ii) The burning metal which combines directly with nitrogen; (iii) The metal which combines directly with sulphur on heating; (iv) The non-metal which forms two compounds when reacting with chlorine. Question 1 (b) Name the gas that you can obtain in the laboratory from each of the following and write the equation for the reaction taking place in each case; [6] (i) Ammonium nitrite; (ii) Ammonium chloride (iii) Ammonium nitrate. Question 1 (c) [5] (i) Name the two crystalline allotropes of sulphur. For each allotrope give a sketch of the shape of its crystals.

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Additional Info : Solved ICSE Board exam paper study guide - ICSE 1997 : SCIENCE Paper 2 (Chemistry) - I.C.S.E. Free Online Question Paper
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