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VIBGYOR High First Term Examination 2017-2018 CHEMISTRY Grade: VIII Max. Marks: 80 Date: 26/09/17 Time Allowed: 2 hours INSTRUCTIONS: 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. The intended marks for the questions or parts of questions are given alongside the questions. ______________________________________________________________________ Part I (40 Marks) Attempt all questions from this Part Question 1 A. Complete the following: [1x5=5] a. The energy required to change water from the solid to its liquid state at its melting point without any change in temperature is called_______. b. The reaction in which more active element displaces a less active element from its salt solution is known as_______ reaction. c. Iron metal reacts in moist air by oxidation for a long period to give __________. d. Metalloid present in the period 3 ____________. e. A solution in which more of solute can be dissolved at a given temperature is said to be ___________ solution. Page 1 of 7
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