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प्रश्न
Explain why Calamine solution is applied on the skin when an ant bites.
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उत्तर
- Ant injects an acidic liquid (Formic acid) into the skin on biting which causes inflammation, to the skin.
- The acid's effect can be neutralised by rubbing. Calamine solution contains zinc carbonate, which is a very weak base and does not harm the skin.
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संबंधित प्रश्न
Explain why An antacid tablet is taken when you suffer from acidity.
What is a neutralization reaction?
‘Litmus’, a natural dye is an extract of which of the following?
State whether the following statement is true or false. Correct the false statement.
Common salt dissolved in water turns blue litmus red.
State whether the following statement is true or false. Correct the false statement.
Calamine can be used to treat ant’s sting.
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 ______.
Give an important use of neutralization reaction in daily life.
Visit a doctor. Find out the medicines, he prescribes to treat acidity. Ask him how acidity can be prevented.
