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ICSE Chemistry Mock Paper, The Heritage School

5 pages, 74 questions, 64 questions with responses, 117 total responses,

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The Heritaqe School First Term Examination - 2014 '2015 Subject-Chemistry Glass- X Full Marks : 80 Time: 2 hrs 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 lls compulsory. Attempt any four questions from Section ll' The intended marks for the questions or part of the questions are given in brackets [ ]- Section-l (40 marks) Attempt all questions from this section Question { (a) Choose the correct answer from the options given below: (i) The non - metallic character of the elements in a period: on the period iA) d""r""""" (B) increases(C) remains the same (D) depends (ii) An element with highest ionization potential: (A) Caesium (B) Helium (C) Fluorine (D) Neon (iii) When a metal atom becomes an ion: (A) it loses electrons and is oxidized, (B) it gains electrons and is reduced, (C) it loses electrons and is reduced, (D) it gains electrons and is oxidized, (iv)The molecule containing a triple co-valent bond is: (niammonia (B) methane (C) water (D) nitrogen (v) The electrolyte used for electroplating an article with silver is: iR) sitrer nitrate solution (B) silver cyanide solution iCj soOium argentocyanide solution (D) nickel sulphate solution (vi) When fused lead bromide is electrolysed we observe: at cathode ini a sitver grey deposit at anode and a reddish brown deposit at anode deposit brown iei a sirver 6rey aebosit at cathode and a reddish fumes at anode ici a sirver 6rev deposit at cathode and a reddish brown at cathode fumes brown reddish ioi sitver gr;y iumds at anode and a (vii) A hydrocarbon with molecular mass 72 is: (D) an acid iR;'an aifane (B) an alkyne (C) an alkene This paper consists of 5 printed pages. Page 1

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