Question

Give one example each of displacement, decompostion and combination reaction wi
explanation​

Answer 1

Answer:

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• A reaction in which 2 or more elements/compounds combine to form a new compound is called as an Combination Reaction.

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• General Example (Theoretical):-

•Chemical Example (Practical):-

Hydrogen and Oxygen combine to form Water.

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• A reaction in which a single compound breaks down to give 2 or more elements/compounds is called as an Decomposition Reaction.

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• General Example (Theoretical):-

• Chemical Example (Practical):-

When Calcium Carbonated is heated strongly, it undergoes thermal decomposition to form Calcium Oxide and Carbon Dioxide.

Explanation:

Answer 2

Explanation:

Displacement reaction :

Displacement reaction, is a chemical reaction in which one element is replaced by another in a compound. It can be represented generically as: A + B-C → A-C + B This will most often occur if A is more reactive than B, thus giving a more stable product.

Example : CuSO4 + Fe ------- > FeSO4 + Cu

Decomposition reaction :

Decomposition reaction is the process or effect of simplifying a single chemical entity into two or more fragments.

Example : C+ O2 --------> CO2

Combination Reaction :

A combination reaction is a reaction where two or more elements or compounds combine to form a single compound. Such reactions are represented by equations of the following form: X + Y → XY

Example : CaO + H2O ----->. Ca(OH)2

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