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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.
CaCO3→ CaO+ CO2
Decomposition reactions can occur by heat.
Give two balanced reactions for each.
State which of the substance given below evolve oxygen gas on thermal decomposition.
Zinc carbonate
Complete the table given below.
| Heat on Copper Nitrate | Colour of acidic gas evolved |
The reaction can be classified as:
State which of the following type, take place in the reaction is given below.
\[\ce{AgNO3 + HCl->AgCl + HNO3}\]
Give a balanced equation for thermal decomposition of mercury [II] oxide
Give a balanced equation for thermal decomposition of calcium hydroxide
Name a metallic oxide which on thermal decomposition is reduced to metal.
Give a balanced equation for the preparation of two different insoluble lead salts from their salt solutions by double decomposition precipitation.
Differentiate between the following:
Synthesis reaction and a substitution reaction.
