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प्रश्न
Turmeric is used as a _______.
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उत्तर
Turmeric is used as a indicator.
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संबंधित प्रश्न
A milkman adds a very small amount of baking soda to fresh milk. Why does he shift the pH of the fresh milk from 6 to slightly alkaline?
What is the pH of a neutral solution?
Water is a neutral substance. What colour will you get when you add a few drops of universal indicator to a test-tube containing water?
The pH values of six solutions A to F are given below:
A = 0, B = 11, C = 6, D = 3, E = 13, F = 8
Which of the above solutions are
- acids
- alkalis?
Name two common antacids.
Fresh milk has a pH of 6. When milk changes into curd, the pH value will ______.
What damage could be caused while the pH in a person’s mouth is low?
Acids and bases can be identified in the laboratory by ______.
Neutral substances do not bring about any change in colour of indicators.
Write a note on:
Phenolphthalein
