Chapter 2 - Acid, Bases and Salts
CBSE CLASS X – BOARD MODEL EXAMINATION (2026-27) SCIENCE (CHEMISTRY) — CHAPTER 2: ACIDS, BASES AND SALTS (Strictly Based on CBSE Board Pattern & NCERT Textbook) Time Allowed: 1 Hour 30 Minutes Maximum Marks: 40 ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――― General Instructions: 1. This question paper consists of 18 questions in 5 Sections (A, B, C, D, and E). 2. Section A comprises 8 Multiple Choice Questions (Q1 to Q8) of 1 mark each, including 2 Assertion-Reason questions. 3. Section B comprises 4 Very Short Answer (VSA) type questions (Q9 to Q12) of 2 marks each. 4. Section C comprises 3 Short Answer (SA) type questions (Q13 to Q15) of 3 marks each. 5. Section D comprises 2 Long Answer (LA) type questions (Q16 & Q17) of 5 marks each with internal choice. 6. Section E comprises 1 Case-Based Question (Q18) of 4 marks with internal choice in sub-question (iii). 7. All questions are compulsory. Internal choice...