Chapter Mock Test
Total Marks:25
Duration:30 min
Total Questions:25
Difficulty:Mixed
Test Structure
- —Section A: 10 MCQs (1 mark each)
- —Section B: 5 Short Answer (2 marks each)
- —Section C: 1 Long Answer (5 marks)
Before taking the test
- —Memorize all five reactions of acids: with metals, metal carbonates, bicarbonates, bases, and metal oxides
- —Know the pH scale (0–14), pH values of common substances, and why pH matters (digestion, tooth decay, soil, stings)
- —Remember formulas and uses of NaHCO₃ (baking soda), Na₂CO₃·10H₂O (washing soda), CaOCl₂ (bleaching powder), and CaSO₄·½H₂O (POP)
- —Understand the chlor-alkali process — products at each electrode and their uses
- —Know indicator colours: litmus, phenolphthalein, methyl orange, turmeric in acids and bases
- —Practice the CuSO₄·5H₂O heating activity and understand water of crystallisation