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Gujarat Research SocIely s JASUDBEN M. L. SCHOOL AND BLOOMINGDALES PRE-PRIMARY 052 Corner of 16th and 17th Roads, Khar, Mumbai 400 .MadhuriShah Campus, Ramakrishna Mission Road, 2023-2024 Preliminary Examination Date: 12/12/23 Std: X Time: 2 hours Subject: Chemistry Marks: 80 separatelv. Answers to this Paper must be written on the paper provided minutes. You will not be allowed to write during first 15 This time is to be spent in reading the question paper: writing the answers. The time given at the headof this Paper is the time allowed for Section A is compulsory. Attempt any four questions from Section B. The intended marks for questions or parts of questions are given in brackets []. This Question paper contains eight printed sides. SECTION A (40 Marks) (Attempt all questions from this Section.) Question 1 [15] Choose the most appropriate option: (i) The electrolysis of acidified water is an example of: a) Reduction b) Oxidation c) Redox reaction d) Synthesis (ii) The gas law which relates the volume of agas to moles of the gas is: a) Boyle'sLaw b) Charles' Law c) Avogadro's Law d) Gay Lussacs Law (i ) Formation of chloroform from methane and chlorine is an example of which reaction? a) Addition b) Dehydration c) Substitution d) Elimination 1
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