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प्रश्न
What is a ‘salt’?
Answer the following question related to salts and their preparations:
What is a 'salt'?
उत्तर
Salt is a compound formed by the partial or total replacement of the ionizable hydrogen atoms of an acid by a metallic ion or an ammonium ion.
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संबंधित प्रश्न
Complete and balance the following chemical equations:
`NaCI (aq) + H_2O (l) `
What is a salt?
What is meant by 'a family of salts'? Explain with examples.
P and Q are aqueous solutions of sodium chloride and sodium hydroxide, respectively. Which of these will turn:
red litmus blue?
Give one example of a salt which gives an aqueous solution having:
pH less than 7
Give one example of a salt which gives an aqueous solution having:
pH equal to 7
A salt X when dissolved in distilled water gives a clear solution which turns red litmus blue. Explain the phenomenon.
State one observation for each of the following :
Lead nitric is heated strongly in a test tube.
The Salt Story
From: The New Indian Express 9 March 2021
The salt pans in Marakkanam, a port town about 120 km from Chennai are the third largest producer of salt in Tamil Nadu. Separation of salt from water is a laborious process and the salt obtained is used as raw materials for manufacture of various sodium compounds.
One such compound is Sodium hydrogen carbonate, used in baking, as an antacid and in soda acid fire extinguishers.
The table shows the mass of various compounds obtained when 1litre of sea water is evaporated.
| COMPOUND | FORMULA | MASS OF SOLID PRESENT /g |
| Sodium Chloride | NaCl | 28.0 |
| Magnesium Chloride | MgCl2 | 8.0 |
| Magnesium Sulphate | MgSO4 | 6.0 |
| Calcium Sulphate | CaSO4 | 2.0 |
| Calcium Carbonate | CaCO3 | 1.0 |
| TOTAL AMOUNT OF SALT OBTAINED | 45.0 | |
What is the pH of the acid which is used in the formation of common salt?
Select the correct answer from A, B, C, D and E.
A compound which in the aqueous solution state, is neutral in nature.
