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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
Decomposition brought about by heat is known as thermal decomposition. What is the difference between thermal dissociation and thermal decomposition?
State the type of reactions for the following represent and balance the ones that are not balanced.
PbO2 + SO2→ PbSO4
State the type of reactions for the following represent and balance the ones that are not balanced.
KNO3 + H2SO4 → HNO3 + KHSO4
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 the following reaction of synthesis involving the formation of:
An alkali – from a basic oxide – sodium oxide
Give a balanced equation for the preparation of two different insoluble lead salts from their salt solutions by double decomposition precipitation.
Define the term – double decomposition – neutralization reaction.
Give a balanced equation for the following type of reaction:
A thermal decomposition reaction of a salt – which results in the formation of nitrogen gas.
Give a balanced equation for the following type of reaction:
A decomposition reaction of a salt which leaves behind a silvery metal.
