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ICSE 2016 CHEMISTRY MOCK PAPER

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CHEMISTRY SCIENCE PAPER-2 (Two hours) Answer 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. Attempt all questions from Section 1 and any four from Section II . The intended marks for question or parts of questions are given in brackets [ ] SECTION I (40 Marks) Attempt all questions from this Section Question 1 A Name the following : 1. 2. 3. 4. 5. 6. 7. 8. [8] O Hydrocarbon containing a C functional group. Least reactive metal of group II A. An explosive formed when ammonia reacts with greenish-yellow gas. A metallic sulphide soluble in water. A metal which can be casted easily and expands on solidification. A non-metal which forms a gaseous neutral oxide and a coloured acidic oxide. A gas which burns with greenish-yellow flame. A non-metal which is a good conductor of electricity. B Correct the following statements : [3] 1. Nitric acid reacts with magnesium to liberate a gas, which gives pop sound with air. 2. Under the same condition of temperature and pressure, all gases contain same number of molecules . 3. Aluminium nitride reacts with water to give pungent smelling gas. C State the observation for the following : [5] 1. Bromine gas is passed into the ethyne gas dissolved in carbon tetra chloride. 2. Concentrated Sulphuric acid is added drop-wise to the crystal of hydrated copper sulphate 3. Copper is added to cold dilute nitric acid and the gas evolved is bubbled in ferrous sulphate solution. 4. A piece of sodium is dropped in the test tube containing ethyl alcohol. 5. Copper sulphide is treated with diluted hydrochloric acid. D Give I.U.P.A.C names for the following compounds : 1. Cl O H3C CH CH C H CH2 CH3 2. CH3 O Cl H3C CH CH C CH CH CH3 CH3 CH3 [4]

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