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प्रश्न
The pH of a salt used to make tasty and crispy pakoras is 14. Identify the salt and write a chemical equation for its formation. List its two uses.
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उत्तर
The salt used to make tasty and crispy pakoras are sodium hydrogen bicarbonate. The chemical formula is NaHCO3.
NaCl + H2O + CO2 + NH3 → NH4Cl + NaHCO3
Two of its uses are:
(1) It is used as an antacid in medicine to remove acidity of the stomach.
(ii) It is also used in fire extinguishers.
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संबंधित प्रश्न
Name three chemicals made from common salt (or sodium chloride).
What name is given to the common salt which is mined from underground deposits? How was this salt formed?
What is a salt?
What is meant by ‘hydrated’ salts? Explain with examples.
The aqueous solution of one of the following salts will turn red litmus to blue. This salt is:
A salt X when dissolved in distilled water gives a clear solution which turns red litmus blue. Explain the phenomenon.
Outline the steps required to convert hydrogen chloride to anhydrous iron (III) chloride. Write the equations for the reactions.
State what would you observe when :
The salt ferric chloride is exposed to the atmosphere.
Sodium carbonate is a basic salt because it is a salt of a ____________.
You are provided with the list of chemicals mentioned below in the box:
| Sodium hydroxide solution, copper carbonate, zinc, hydrochloric acid, copper, dilute sulphuric acid, chlorine, iron |
Using suitable chemicals from the list given, write a balanced chemical equation for the preparation of the salt mentioned below:
Sodium zincate
