rusting and burning of coal are example
of wich reaction a endothermic reaction b electrochemical reaction c exothermic reaction?
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Answer:rusting of coal in an example of exothermic reaction
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Step-by-step explanation:
(A)In electrolysis of water heat energy is used to convert water into hydrogen and oxygen.
2H
2
O→2H
2
+O
2
it is an endothermic reaction.
(B)conversion of limestone into quicklime can be done by heating limestone.
CaCO
3
→CaO+CO
2
it is an endothermic reaction.
(C)During respiration breakdown of glucose in presence of oxygen releases energy, therefore it is an exothermic process.
C
6
H
12
O
6
+6O
2
→6H
2
O+6CO
2
+energy
(D)In process of photosynthesis- light energy is used to convert carbon dioxide and water into glucose and oxygen
6CO
2
+6H
2
O→C
6
H
12
O
6
+6O
2
hope this will help uh ♥️
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