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प्रश्न
Define the following type of chemical change or reaction with a suitable example.
Decomposition reaction
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, giving one example of the following chemical changes:
Double decomposition
What is a double displacement reaction?
Decomposition reactions can occur by heat.
Give two balanced reactions for each.
The reaction can be classified as:
State which of the following type, take place in the reaction is given below.
\[\ce{Cl2 + 2Kl->2KCl + l2}\]
Give a balanced equation for a direct combination reaction involving:
Two elements – one of which is a neutral gas and the other a yellow non-metal
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
Name a metallic oxide which on thermal decomposition is reduced to metal.
Complete the statement by filling in the blank with the correct word:
Direct combination reaction of sulphur dioxide with water gives ________.
Give a balanced equation for the following type of reaction:
A direct combination reaction between phosphorus and neutral gas.
Differentiate between the following:
Thermal decomposition & thermal dissociation.
