मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 8

Balance the following equation: Na2O + H2O → NaOH

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प्रश्न

Balance the following equation:

Na2O + H2O → NaOH

एका वाक्यात उत्तर
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उत्तर

Na2O + H2O → 2NaOH

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पाठ 5: Language of Chemistry - Exercise [पृष्ठ ६७]

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सेलिना Concise Chemistry [English] Class 8 ICSE
पाठ 5 Language of Chemistry
Exercise | Q 11.3 | पृष्ठ ६७

संबंधित प्रश्‍न

What are the limitations of a chemical equation ?


Name the type of chemical reaction shown by the following equation.

NaOH + HCI → NaCI + H2O


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.


Write a balanced molecular equation for the following word equation:

\[\ce{Lead sulphate + ammonium hydroxide->Ammonium sulphate + lead hydroxide}\]


Balance the following equation:

\[\ce{Fe2O3 + H2->Fe + H2O}\]


Balance the following important equation:

Mg3N2 + H2O → Mg(OH)2 + NH3


Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following correctly represents the type of the reaction involved?

  1. Displacement reaction
  2. Precipitation reaction
  3. Combination reaction
  4. Double displacement reaction

A substance X, which is an oxide of a group 2 element, is used intensively in the cement industry. This element is present in bones also. On treatment with water it forms a solution which turns red litmus blue. Identify X and also write the chemical reactions involved.


What happens when a piece of

  1. zinc metal is added to copper sulphate solution?
  2. aluminium metal is added to dilute hydrochloric acid?
  3.  silver metal is added to copper sulphate solution?

Also write the balanced chemical equation if the reaction occurs.


The equation Na + H2O → NaOH + H2 is ______.


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