Use this Question Bank to write comfortably Chapter: 2 – ACIDS, BASES AND SALTS HSLC Exam. Questions A. MCQ & Very Short Questions: Mark: 1 (i) A solution reacts with crushed egg-shells to give a gas that turns lime water milky. The solution contains – [HSLC’15, ’19] Answer: (b) HCl Options: (a) NaCl (b) HCl ✅ (c) LiCl (d) KCl (ii) A solution turns red litmus blue. The pH of the solution is – [HSLC’16, 18, 22] Answer: (c) 9 Options: (a) 1 (b) 4 (c) 9 ✅ (d) 10 (iii) Which one of the following types of medicines is used for treating indigestion? [HSLC’17] Answer: (c) Antacid Options: (a) Antibiotic (b) Analgesic (c) Antacid ✅ (d) Antiseptic (iv) Which of the following compounds is used in soda-acid fire extinguisher? [HSLC’23] Answer: (b) Na₂CO₃ Options: (a) NaCl (b) Na₂CO₃ ✅ (c) NaHCO₃ (d) NH₄Cl (v) Which one of the following is olfactory indicator? [HSLC’24] Answer: (c) Vanilla Options: (a) Litmus (b) Turmeric (c) Vanilla ...
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