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प्रश्न
Decomposition reactions can occur by electricity
Give balanced reactions.
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उत्तर
Electricity
Electrolysis of water i.e. the decomposition of water into hydrogen and oxygen gas when an electric current is passed through water.
\[\ce{2H2O -> 2H2 + O2}\]
Sunlight:
\[\ce{6CO2 +12 H2O -> C6H12O6 +6H2O +6O2}\]
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संबंधित प्रश्न
State the type of reactions for the following represent and balance the ones that are not balanced.
2H2O2→ 2H2O + O2
State which of the substance given below evolve oxygen gas on thermal decomposition.
Zinc carbonate
State which of the substance given below evolve oxygen gas on thermal decomposition.
Lead nitrate
State which of the substance given below evolve oxygen gas on thermal decomposition.
Ammonium dichromate
Give a balanced equation for a direct combination reaction involving:
Two elements – one of which is a neutral gas and the other a monovalent metal
Give a reason why zinc displaces hydrogen from dilute sulphuric acid but copper does not.
Complete the statement by filling in the blank with the correct word:
The neutral gas evolved when lead nitrate undergoes thermal decomposition is _________.
Give a balanced equation for the following type of reaction:
A direct combination reaction between phosphorus and neutral gas.
Differentiate between the following:
Thermal decomposition & thermal dissociation.
Chemical reaction in which reactants react to form products and the products formed react with each other directly to form the original reactants back is known as ______ reaction.
