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Teacher wrote on the blackboard as AB ra...

Teacher wrote on the blackboard as `AB rarr C+D`. Replace it with suitable substances.
What type of reaction is it ?

Text Solution

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1) `A=Ca," "B=CO_(3)," "C=CaO," "D=CO_(2)`
2) `CaCO_(3) overset("heat")rarr CaO+CO_(2)`
3) It is a chemical decompostion reaction.
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