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प्रश्न
What do you observe? When
Barium chloride is added to sodium sulphate solution
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उत्तर
A white insoluble precipitate of barium sulphate is formed.
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संबंधित प्रश्न
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Iron and rust are the same substances.
State four conditions necessary for chemical reactions to take place.
Fill in the blank:
In some chemical reactions an insoluble ________ is formed when two solutions are mixed.
Match the column in the following table.
| Reactants | Products | Type of chemical reaction |
| BaCl2(aq) + ZnSO4(aq) | H2CO3(aq) | Displacement |
| 2AgCl(s) | FeSO4(aq) + Cu(s) | Combination |
| CuSO4(aq) + Fe(s) | BaSO4↓ + ZnCl2(aq) | Decomposition |
| H2O(l) + CO2(g) | 2Ag(s) + Cl2(g) | Double displacement |
Multiple choice:
Thermal decomposition of sodium carbonate will produce
What do you observe when dilute sulphuric acid is added to the following:
Sodium Sulphide
Distinguish by dilute sulphuric acid.
Sodium Sulphite and sodium carbonate?
Complete the table given below.
| Flame test for calcium chloride | Acid used for flame test |
Circle the odd one out. Give reason for your choice
Which of the following statement is incorrect for a chemical reaction?
