You are given four solutions A, B, C and D. What color is expected when blue litmus paper is dropped in each test tube. Nature of solution is given below:
1. Sodium chloride
2. Baking powder in water
3. Vinegar in water
4. Glucose solution
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Answer:
Vinegar in water
Explanation:
This is because 1st solution of of common salt, which is neutral
The 2nd solution is a basic solution
The 3rd solution is acidic
The 4th solution is neutral
Blue litmus turns red in the presence of an acidic substance(here it is the vinegar)
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