Chemistry · Acids, Bases and Salts
Match the events in Column A with their corresponding effects/features in Column B: Column A (Event) A. Acid rain B. Indigestion C. Tooth decay D. Bee sting Column B (Effect/Feature) 1. Occurs when the pH of the mouth is < 5.5 2. Antacids neutralize excess acid 3. When pH < 5.6, harms aquatic life 4. Neutralized by mild base like baking soda
- 1A-2, B-4, C-1, D-3
- 2A-4, B-3, C-2, D-1
- 3A-1, B-2, C-3, D-4
- 4A-3, B-2, C-1, D-4✓
Correct answer
A-3, B-2, C-1, D-4
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