You are testing a sample of water from a nearby lake that has very few fish living in it and you suspect that it is the dissolved oxygen level that is responsible for this. What dissolved oxygen level would you associate with a body of water that can support very few fish? 12.5 ppm 9.1 ppm 6.3 ppm 5.1 ppm 2.3 ppm

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Physical and Chemical features

The physical property of a compound could be determined without modifying the originality of the compound. Examples of physical properties are density, hardness, color, boiling, and melting point. The chemical property expresses the ability of a compound to undergo a particular chemical change.