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प्रश्न
Why common salt gets wet during rainy season?
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उत्तर
Common salt gets wet during rainy season because the commercially available salt contains impurities, like magnesium chloride, which are deliquescent substances. These absorb moisture from atmosphere and make the table salt wet.
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संबंधित प्रश्न
Give two examples of a normal salt.
Give two examples of an acid salt.
Name a double salt.
Define an acid salt.
Choose the correct answer from the options given below:
Which one is the acidic salt?
Select the correct answer from the choices a,b,c and d which are given.Write only the letter corresponding to the correct answer.
An example of a complex salt is
Salts A, B, C, D and E undergo reactions (i) to (v) respectively. Identify the anion present in these salts on the basis of these reactions. Tabulate your answers in the format given below:
(i) When silver nitrate solution is added to asolution of A, a white precipitate, insoluble in dilute nitric acid, is formed.
(ii) Addition of dilute hydrochloric acid to B produces a gas which turns lead acetate paper black.
(iii) When a freshly prepared solution of ferrous sulphate is added to a solution of C and concentrated sulphuric acid is gently poured from the side of the test, a brown ring is formed.
(iv) When dilute sulphuric acid is added to D, a gas is produced which turns acidified potassium dichromate solution from orange to green.
(v) Addition of dilute hydrochloric acid to E produces an effervescence. The gas produced turns limewater milky but does not affect acidified potassium dichromate solution.
| Salt | Anion |
| A | |
| B | |
| C | |
| D | |
| E |
NaHSO4 is an acid salt.
Identify the following:
A salt formed by the complete neutralization of an acid by a base.
From the formula listed below, choose one, in the following case, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H2O.
On heating, this salt changes from green to black.
