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प्रश्न
Balance the following important equation:
CuSO4 + NaOH → Na2SO4 + Cu(OH)2
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उत्तर
CuSO4 + 2NaOH → Na2SO4 + Cu(OH)2
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संबंधित प्रश्न
Define chemical reaction.
Balance the following equation. Also name the products formed.
`H_2O_2 → H_2O +O_2`
Balance the following equation:
\[\ce{Fe + H2O⇌Fe3O4 + H2}\]
Balance the following equation:
\[\ce{Fe2O3 + H2->Fe + H2O}\]
Balance the following equation:
\[\ce{Pb3O4 + HCl->PbCl2 + H2O + Cl2}\]
Balance the following important equation:
FeCl3 + NaOH → NaCl + Fe(OH)3
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Solid calcium oxide reacts vigorously with water to form calcium hydroxide accompanied by liberation of heat. This process is called slaking of lime. Calcium hydroxide dissolves in water to form a solution called lime water. Which among the following is (are) true about slaking of lime and the solution formed?
- It is an endothermic reaction
- It is an exothermic reaction
- The pH of the resulting solution will be more than seven
- The pH of the resulting solution will be less than seven
Write the balanced chemical equations for the following reactions and identify the type of reaction in each case.
- Iron (III) oxide reacts with aluminum and gives molten iron and aluminum oxide.
- Magnesium ribbon is burnt in an atmosphere of nitrogen gas to form solid magnesium nitride.
- Chlorine gas is passed in an aqueous potassium iodide solution to form potassium chloride solution and solid iodine.
- Ethanol is burnt in air to form carbon dioxide, water and releases heat.
Which of the following statement is incorrect with reference to the reaction of silver nitrate with sodium chloride?
