Unit - 5.2 Importance of Oxygen — CHEMISTRY STD 6 — Question
ICSE BoardEnglish MediumSTD 6CHEMISTRYUnit - 5.2 Importance of Oxygen3 Marks
Question
Give three differences between respiration and combustion.
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Answer
Respiration: Respiration is a biochemical process that takes place in living cells to release energy. Respiration is a controlled biological process. Energy is released in a stepwise manner with different biochemical reactions. Combustion: Combustion is a chemical process that occurs outside living cells or living systems. Combustion is an uncontrolled process. Energy is released in a single step.
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