Question

18
In which of the following category will you put the reaction of heating of calcium carbonate?
(1 Point)
Decomposition reaction
Thermal decomposition reaction
Endothermic reaction
All of the above.​

Answer 1

Answer:

1 St option is correct......

Answer 2

Answer:

The correct option for this question is Endothermic reaction.

Explanation:

• It is an endothermic reaction because heat is required to break down calcium carbonate into quicklime and CO2. Limestone naturally contains calcium carbonate.
• When limestone is heated vigorously, the calcium carbonate that it contains endothermically absorbs heat, breaking down to generate calcium oxide.
• Chemical processes referred to as endothermic reactions occur when the reactants take in heat energy from their environment to create products. These reactions produce a cooling effect by bringing the temperature of the space around them down.
• Ice cubes melting, solid salts melting, drying up liquid water, Frost becoming water vapour are examples of endothermic processes.

Thus, calcium carbonate heating results in an endothermic process.

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