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प्रश्न
Define the following type of chemical change or reaction with a suitable example.
Decomposition reaction
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उत्तर
Decomposition Reaction:
“Those reactions in which a compound splits up into two or more simpler substances”.
\[\ce{\underset{\text{calcium carbonate (lime stone)}}{CaCO3}->[\Delta][Decomposition]\underset{\text{Calcium oxide (quick lime)}}{CaO} + CO2}\]
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संबंधित प्रश्न
State the type of reactions for the following represent and balance the ones that are not balanced.
2HgO → 2Hg + O2
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.
Mercury [II] oxide
State which of the substance given below evolve oxygen gas on thermal decomposition.
Anhydrous copper sulphate
Define the following type of chemical change or reaction with a suitable example.
Double decomposition reaction
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 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 thermal decomposition of lead nitrate
Define a displacement reaction with a suitable example.
Define the term – double decomposition – neutralization reaction.
