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प्रश्न
Identify the odd one out and justify.
पर्याय
Sodium nitrate
sodium carbonate
sodium sulphate
sodium chloride
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उत्तर
Sodium carbonate
Explanation:
Sodium carbonate is odd because the solutions of sodium nitrate, sodium sulphate and sodium chloride are neutral. But the solution of sodium carbonate is Basic.
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संबंधित प्रश्न
How many types of salts does dibasic acid produce when it reacts with caustic soda solution? Give equation(s)
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Name two sulphates which are insoluble.
Name a double salt.
Identify the odd one out and justify.
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Write the reactions of SO2 and oxides of nitrogen which leads to acid rain formation.
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A salt containing a metal ion surrounded by other ions or molecules.
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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 |
State the inference drawn from the following observation:
A gas Q turns moist lead acetate paper silvery black. Identify the gas Q.
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Define the following and give two examples in case a basic salt.
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A type of salt formed by partial replacement of hydroxyl radicals with an acid radical.
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A salt formed by the complete neutralization of an acid by a base.
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| Column A | Column B |
| 1. Ammonium hydroxide solution | (i) Contains only ions |
| 2. Dilute hydrochloric acid | (ii) Contains only molecules |
| 3. Carbon tetrachloride | (iii) Contains ions and molecules |
Give a suitable chemical term for:
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