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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
Explain the types of reaction with reference to oxygen and hydrogen. Illustratre with examples.
(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.
2HgO → 2Hg + O2
State the type of reactions for the following represent and balance the ones that are not balanced.
Fe + CuSO4→ FeSO4 + Cu
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
State which of the substance given below evolve oxygen gas on thermal decomposition.
Anhydrous copper sulphate
The reaction can be classified as:
State which of the following type, take place in the reaction is given below.
\[\ce{Cl2 + 2Kl->2KCl + l2}\]
Explain the term double decomposition precipitation reaction.
Give a balanced equation for the preparation of two different insoluble lead salts from their salt solutions by double decomposition precipitation.
