ZnCO3 (s) undergoes 'X' to give ZnO and CO2. What does 'X' symbolize here? *
1 point
Photochemical decomposition
Electrolysis
Displacement reaction
Thermal decompositio
Answers
Answered by
4
Explanation:
Thermal decomposition
Answered by
0
Answer:
The correct answer is Option D i.e. Thermal Decomposition.
Explanation:
Photochemical decomposition is a reaction which is facilitated by sunlight.
Electrolysis is a reaction which occurs in a solution when electricity is passed through it.
In electrolysis, normally salts are decomposed into cations and anions.
Displacement reaction is a reaction in which the entities of two compounds are interchanged.
Thermal decomposition is a reaction which is facilitated in the presence of heat.
The decomposition of zinc carbonate occurs in the presence of heat.
Hence, Option D is correct.
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