Chemistry · Acids, Bases and Salts
Indicators A, B, C, and D show the following colour changes in acidic and basic solutions. Identify the indicators: Indicator | Colour in Acid | Colour in Base A | No change | Reddish-brown B | Colourless | Pink C | Red | Blue D | Dark pink (Magenta) | Green
- 1A - Turmeric, B - Phenolphthalein, C - Red litmus, D - China rose✓
- 2A - Phenolphthalein, B - Turmeric, C - Red litmus, D - China rose
- 3A - Turmeric, B - China rose, C - Blue litmus, D - Phenolphthalein
- 4A - China rose, B - Turmeric, C - Red litmus, D - Phenolphthalein
Correct answer
A - Turmeric, B - Phenolphthalein, C - Red litmus, D - China rose
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