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Mention the physical properties of oxygen.
 
Physical properties of oxygen:
  • It is a colourless, odourless and tasteless gas.
  • of heat and electricity.
  • in cold water.
  • At any temperature and pressure, oxygen is slightly  than air.
  • Oxygen can be converted into liquid at high temperature and low pressure. This process is called .
  • Oxygen plays a vital role in combustion.