aryanan22
aryanan22 aryanan22
  • 12-04-2019
  • Chemistry
contestada

the only definite evidence of a chemical reaction is

A) The production of new substances

B) Changes in phase

C) Formation of a gas

D) A color change

Respuesta :

brooke54773
brooke54773 brooke54773
  • 12-04-2019
C) Formation of a gas
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