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  • 02-11-2019
  • Chemistry
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this is any sunstance with constant composition

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usafdesi77
usafdesi77 usafdesi77
  • 02-11-2019

Answer:

A pure substance has a constant composition and cannot be separated into simpler substances by physical means. There are two types of pure substances: elements and compounds. ... The ratio of the elements in a compound are always constant. (Water is always 11 % Hydrogen and 89 % oxygen).

Explanation:

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