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Balance the Following Equation: Zn + Koh → K2zno2 + H2

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प्रश्न

Balance the following equation:

Zn + KOH → K2ZnO2 + H2

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उत्तर

Zn + 2KOH → K2ZnO2 + H2

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अध्याय 1: The Language of Chemistry - Exercise 1 (B) [पृष्ठ १५]

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सेलिना Concise Chemistry [English] Class 9 ICSE
अध्याय 1 The Language of Chemistry
Exercise 1 (B) | Q 5.03 | पृष्ठ १५

संबंधित प्रश्न

What is a balanced chemical equation? Why should a chemical equation be balanced?


Translate the following statement into a chemical equation and then balance it.

Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate.


Translate the following statement into a chemical equation and then balance the equation:

Barium chloride reacts with zinc sulphate to give zinc chloride and barium sulphate.


Substitute formulae for names and balance the following equation:

Calcium carbonate reacts with hydrochloric acid to produce calcium chloride, water and carbon dioxide gas.


Explain the terms with examples.

Balanced equation


(a) Give only one suitable chemical test to identify the following gases.

  1. Ammonia
  2. Sulphur dioxide
  3. Hydrogen Chloride
  4. Chlorine
  5. Carbon Dioxide
  6. Oxygen
  7. Hydrogen

(b) Select a basic gas mentioned in Q.1 (a). How is the basic nature suspected?

(c)Select acidic gases from the gases mentioned in Q.1 (a). How is the acidic nature suspected?

(d) State the gas responsible for bleaching action.

(e)Which gas turn blue cobalt chloride paper light pink?

 


Identify the type of reaction taking place of the following case and write the balanced chemical equation of the reaction:
Potassium iodide reacts with lead nitrate to produce potassium nitrate and lead iodide.


Balance the following simple equation:

H2   +   Cl2  →  HCl


What is called thermolysis reactions?


What is a reactant in a chemical equation?


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