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The statement which describes a physical property of the element oxygen is ​

  1. ​oxygen is needed for the rusting of iron
  2. oxygen supports the burning of paper
  3. oxygen has a density of 1.43 grams per liter
  4. ​oxygen must be present for food to decay



Verified Answer :

The correct answer is option 3. Oxygen having a density of 1.43 grams per liter describes a physical property of the element oxygen. A physical property is a property that can be observed or measured without changing the composition of matter and density is one physical property.

The answer is 3. Oxygen having a density of 1.43 grams per liter describes a physical property of the element oxygen. A physical property is a property that can be observed or measured without changing the composition of matter and density is one physical property.