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प्रश्न
‘Litmus’, a natural dye is an extract of which of the following?
पर्याय
China rose (Gudhal)
Beetroot
Lichen
Blue berries (Jamun)
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उत्तर
Lichen
Explanation:
Litmus, a natural dye used as an indicator is extracted from lichen.
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संबंधित प्रश्न
Explain why An antacid tablet is taken when you suffer from acidity.
What is a neutralization reaction?
You are provided with three test tubes A, B and C as shown in figure with different liquids. What will you observe when you put
- a piece of blue litmus paper in each test tube.
- a piece of red litmus paper in each test tube.
- a few drops of phenolphthalein solution to each test tube.
Explain two neutralisation reactions related to daily life situation.
Acidity or indigestion in the stomach is due to excessive secretion of ______.
When an acid reacts with a base, a neutralization reaction takes place to give salt and water.
Which chemical is used to neutralize the acidic soil?
Give an important use of neutralization reaction in daily life.
How do treat effluents from the industries?
Visit a doctor. Find out the medicines, he prescribes to treat acidity. Ask him how acidity can be prevented.
