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ICSE Class X Podar Mid-term 2024 : Chemistry

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Podar High School. ISC Lilavatibai Summative Assessment-1,2024-2025 Subject: Chemistry Duration: Two Hours. Grade: X Marks: 80 Instructions: All Questions are compulsory. The intended marks are given next to the questions. The time mentioned above is writing time. -40 Marks Section Q.1 Choose the answers to the questions from thegivenoptions. correct (Do not copy i. Which of the following option is correct increasing order of [15] the questions, write the correctanswers only.) for the elements, arranged as per Ionisation energy: ) K, Na, Si, S,CI. b)CI, S Si ,K,Na. a) ai Na, K,Si, S,CI. d) K, Na,CI, S,Si. ii. Electron affinity is a) Alkali iii. maxigu n: metals )Halogens Atomic number gb)Alkaline A & B. iv. b))B dB & D. Liquor Amnon is a good cdeansing nio V. Sody by hydroxide using the a) Ferrous c) calcium vi. SO2 anAnmonium solutin b) SOs Calcium oxide ) d) magnesium chloride. with Hydrochloricacid(dil) is: d) COz. c) Hydrogen sodium sulphite reacts is amphotericin Zinc oxide nature: b) d) copper(l)oxide. of the process for manufacturingNitric acid a) contact process ix. hydroxidesolutions can be distinguished o oxidewhich c)Barium oxide vi. The name b) highly volatile b) Ferric sulphate sulphate nitete Identify the metallic a) & D=16. d) emulsifies grease. The gas liberatedywhen a) vii. B-11,C-13 azent becauseit: residuewhen wiped out nature Acidicn gases formacovalent compound? & c) A& a) leaves metals B(C'&Dar A8, Which two elemettswil'combine to a) . d) Inert elementsA, of earth is: b) Ostwald'sprocess d)Haber-Bosch process. Habers process The drying agent used to dry HCl gas is: b)conc.nitric acid a)quick lime c)conc. Sulphuricacid d) calciurm chloride. Page 1 of5

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