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ICSE Class X Prelims 2023 : Chemistry (Hiranandani Foundation School (HFS), Thane)

6 pages, 44 questions, 43 questions with responses, 47 total responses,    2    0
Jai Badani
Kohinoor International School (KIS), Mumbai
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HIRANANDANI FOUNDATION SCHOOL, THANE First Preliminary Assessment, November 2022 Subject: Chemistry CLASS: X Time: Two hours DATE: 30/11/2022 Max Marks: 80 __________________________________________________________________ Answers to this paper must be written on the separate answer sheet. The time given at the head of this paper is the time allotted to write the answers. This question paper consists of 06 printed pages. ______________________________________________________________________________ Section A is compulsory. Attempt any four questions from Section B. The intended marks for each question or sub-question are given in the brackets [ ]. SECTION A (Attempt all questions from this Section) Question 1 Choose one correct answer from the given options: i) A strong electrolyte is: a) Magnesium hydroxide b) Carbon tetrachloride c) Lithium hydroxide d) Acetic acid ii) Ionization potential across a period increases because the: a) Atomic radius and nuclear charge increases b) Atomic radius decreases and nuclear charge increases c) Atomic radius and nuclear charge decreases d) Atomic radius increases and nuclear charge decreases iii) A polar covalent compound is: a) CCl4 b) NaCl c) CH4 d) HCl iv) The main components of fuse metal are: a) Copper and Tin b) Lead and Tin c) Iron and Nickel d) Lead and Zinc v) The hydroxide which is soluble in excess of NH4OH is: a) Ferrous hydroxide b) Lead [II] hydroxide c) Copper [II] hydroxide d) Calcium hydroxide vi) A di-acidic base is: a) Ferric hydroxide b) Ammonium hydroxide c) Aluminium hydroxide Page 1 of 6 [15]

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