Question

CaCO3(s) CaO + CO2 is an example of: Select one: a. Decomposition b. Addition c. Combination d. Displacement

Answer 1

Answer:

decomposition reaction

Answer 2

CORRECT QUESTION :-

CaCO₃ ---------> CaO + CO₂ is an example of (Select one)

a] Decomposition b] Addition

c] Combination ⠀ d] Decomposition

ANSWER :-

Option(A) is correct. Here CaCO₃ is splitted to form two new compounds. Which is nothing but Decomposition reaction

ADDITIONAL INFO :-

COMBINATION REACTION :-

When two (or) More elemnts combine to form a new compound is called Combination reaction.

EXAMPLE :- 2H₂ + O₂ -------> 2H₂O

DISPLACEMENT REACTION :-

The reaction in which the displacement of element of high reactivity and the element of low reactivity is called displacement reaction

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

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