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प्रश्न
A solution of a substance ‘X’ is used for white washing Name the substance ‘X’ and write its formula.
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उत्तर
Calcium oxide CaO
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संबंधित प्रश्न
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A chemical equation is a statement that describes a chemical change in terms of
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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 |
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