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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
Complete the following statement.
In the type of reaction called_______________, two compounds exchange their positive and negative radicals.
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.
2KClO3→ 2KCl + 3O2
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.
\[\ce{AgNO3 + HCl->AgCl + HNO3}\]
Define the following type of chemical change or reaction with a suitable example.
Double decomposition reaction
Give a balanced equation for the following reaction of synthesis involving the formation of:
An alkali – from a basic oxide – sodium oxide
Name a metallic oxide which on thermal decomposition is reduced to metal.
Complete the statement by filling in the blank with the correct word:
Formation of hydrogen chloride from hydrogen and chlorine is an example of __________.
Give a balanced equation for the following type of reaction:
A decomposition reaction of a salt which leaves behind a silvery metal.
