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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 8

Give a Balanced Equation for – an Electrolytic Decomposition Reaction Involving a Neutral Liquid

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प्रश्न

Give a balanced equation for –

An electrolytic decomposition reaction involving a neutral liquid

एका वाक्यात उत्तर
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उत्तर

Electrolytic decomposition of neutral liquid [water]
\[\ce{2H2O->[Electricity][Current]->2H2 + O2}\]

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Chemical Reactions - Exercises

संबंधित प्रश्‍न

What type of reaction is represented by the following equation?

\[\ce{2FeSO4 -> Fe2O3 + SO2 + SO3}\]


What type of chemical reaction takes place when limestone is heated?


What type of chemical reaction takes place when electricity is passed through water?


A metal salt MX when exposed to light splits up to form metal M and a gas X2. Metal M is used in making ornaments whereas gas X2 is used in making bleaching powder. The salt MX is itself used in black and white photography.

  1. What do you think metal M is?
  2. What could be gas X2?
  3. Name the metal salt MX.
  4. Name any two salt solutions which on mixing together can produce a precipitate of salt MX.
  5. What type of chemical reaction takes place when salt MX is exposed to light? Write the equation of the reaction.

Classify the following reaction into – 

  1. Direct combination 
  2. Decomposition
  3. Displacement
  4. Double decomposition

The reaction is – Zinc hydroxide on heating gives zinc oxide and water.


Give a balanced equation for the following type of reaction:

A thermal decomposition reaction in which a metallic nitrate decomposes to give – a basic oxide.


Differentiate between the following:

Thermal decomposition and thermal dissociation.


Explain the reaction given in the figure.


Marble statues are corroded or stained rain water. Identify the main reason.


A metal nitrate 'A' on heating gives a metal oxide along with evolution of a brown coloured gas 'B' and a colourless gas, which helps in burning. Aqueous solution of 'A' when reacted with potassium iodide forms a yellow precipitate.

  1. Identify 'A' and 'B'
  2. Name the types of the reactions involved in the above statement.

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