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Electrolysis of water is a decomposition reaction. The mole ratio of hydrogen and oxygen gases liberated during electrolysis of water is - Science

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प्रश्न

Electrolysis of water is a decomposition reaction. The mole ratio of hydrogen and oxygen gases liberated during electrolysis of water is

विकल्प

  • 1:1

  • 2:1

  • 4:1

  • 1:2

MCQ
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उत्तर

2:1

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Chemical Reactions and Equations - Exemplar [पृष्ठ ३]

APPEARS IN

एनसीईआरटी एक्झांप्लर Science [English] Class 10
अध्याय 1 Chemical Reactions and Equations
Exemplar | Q 11. | पृष्ठ ३

संबंधित प्रश्न

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CO + O2 → CO2


Balance the following equation:

Zn + HCI →  ZnCI2 + H2


Balance the following equation:

`N_2+O_2    →    NO`


Balance the following equation. Also name the products formed.

`Zn+ HCI   →  ZnCI _2 + H_2`


Write the balanced equation for the following chemical reaction.

\[\ce{Sodium + Water -> Sodium hydroxide + Hydrogen}\]


Write a balanced chemical equation with state symbols for the following reaction.

Sodium hydroxide solution (in water) reacts with hydrochloric acid solution (in water) to produce sodium chloride solution and water.


Balance the following equation:

\[\ce{Fe + H2O⇌Fe3O4 + H2}\]


Balance the following equation:

\[\ce{Al + H2O->Al2O3 + H2}\]


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\[\ce{ZnO + NaOH->Na2ZnO2 + H2O}\]


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\[\ce{2Na + 3H2O->2NaOH + H2}\]


Underline the incorrectly balanced compound equation and rewrite the correct equation.

\[\ce{2Al + 2H2SO4->Al2(SO4)3 + 3H2}\]


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Balance the following important equation:

Fe2O3  + Al  → Al2O3 + Fe


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NH3 + Cl2 → HCl + NCl3  [nitrogen trichloride]


In a chemical reaction between sulphuric acid and barium chloride solution the white precipitates formed are of:


Which of the following gases can be used for storage of fresh sample of an oil for a long time?


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`"Cu"("s") + 2"AgNO"_3("aq") -> "Cu"("NO"_3)_2("aq") + x("s")`


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`"Zn"("s") + "H"_2"SO"_4("aq") -> "ZnSO"_4(x) + "H"_2("y")`


Write the balanced chemical equation for the following reaction

Sodium hydrogencarbonate on reaction with hydrochloric acid gives sodium chloride, water and liberates carbon dioxide.


Write the balanced equation for the following chemical reaction.

\[\ce{Hydrogen + Chlorine -> Hydrogen chloride}\]


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