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प्रश्न
Balance the following important equation:
ZnO + NaOH → Na2ZnO2 + H2O
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उत्तर
ZnO + 2NaOH → Na2ZnO2 + H2O
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संबंधित प्रश्न
What is a chemical equation ?
Balance the following equation:
`N_2+O_2 → NO`
Balance the following equation. Also name the products formed.
`CO + O_2 → CO_2`
Balance the following equation:
\[\ce{Na2O + H2O->NaOH}\]
Balance the following equation:
\[\ce{ZnO + NaOH->Na2ZnO2 + H2O}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{2Al + 2H2SO4->Al2(SO4)3 + 3H2}\]
Balance the following important equation:
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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
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- Dilution of sulphuric acid
- Sublimation of dry ice
- Condensation of water vapours
- Evaporation of water
In which of the following chemical equations, the abbreviations represent the correct states of the reactants and products involved at reaction temperature?
