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Air and Atmosphere — CHEMISTRY STD 6 — Question

ICSE BoardEnglish MediumSTD 6CHEMISTRYAir and Atmosphere5 Marks
Question
State two similarities and two differences between respiration and burning.
✓

Answer

Similarities:
Burning
  1. Oxygen is needed to combine with carbon and hydrogen in compound.
  2. .CO2 and H2O are formed with release of energy.

Respiration

  1. Oxygen is needed to combine with C and H2 of food.
  2. CO2 and H2O are formed with release of energy.

Differences:
Burning

  1. It occurs at higher temperatures.
  2. It is a fast process.
  3. A natural and continuous process.

Respiration

  1. It occurs at body temperature.
  2. It is a slow process.
  3. An artificial & discontinuous process.

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