Which of the following reactions is exothermic process?
A.) Condensing steam
B.) Evaporating alcohol
C.) Melting of ice
D.) Boiling of water
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Which of the following reactions is exothermic process?
A.) Condensing steam
B.) Evaporating alcohol
C.) Melting of ice
D.) Boiling of water
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Answer:
D. Boiling water
During an exothermic reaction, energy is constantly given off, often in the form of heat. All combustion reactions are exothermic reactions. During combustion, a substance burns as it combines with oxygen, releasing energy in the form of heat and light.
Answer:
letter A
Explanation:
because b, c and d are endothermic process