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Air and Atmosphere — CHEMISTRY STD 7 — Question

ICSE BoardEnglish MediumSTD 7CHEMISTRYAir and Atmosphere2 Marks
Question
Give four uses of oxygen.
✓

Answer

Uses of oxygen
  1. Oxygen is used by firemen, miners, aviators, sea divers and even by every living being.
  2. Oxygen is necessary for burning of fuels.
  3. Oxygen mixed with hydrogen as fuel produces.a flame with a very high temperature about 2800°C.
  4. As a fuel in spacecraft.

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