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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
Decomposition brought about by heat is known as thermal decomposition. What is the difference between thermal dissociation and thermal decomposition?
(a) Define the neutralization reaction with an example.
(b) Give a balanced equation for this reaction.
(c) Give three applications of neutralization reactions.
State the type of reactions for the following represent and balance the ones that are not balanced.
2KClO3→ 2KCl + 3O2
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.
Washing soda
State which of the substance given below evolve oxygen gas on thermal decomposition.
Mercury [II] oxide
The reaction can be classified as:
State which of the following type, take place in the reaction is given below.
\[\ce{2Mg + O2->2MgO}\]
Define the following type of chemical change or reaction with a suitable example.
Displacement reaction or substitution reaction
Give a balanced equation for thermal decomposition of mercury [II] oxide
Give a balanced equation for the following type of reaction:
A soluble salt of lead formed from an insoluble base by double decomposition – neutralization.
