smg1992
smg1992 smg1992
  • 15-10-2020
  • Chemistry
contestada

which sample is a pure substance?
a. a test tube of zinc oxide
b. a container of zinc and oxygen
c. a flask of pond water
d. a jar of soil

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purpleguyy
purpleguyy purpleguyy
  • 15-10-2020

Answer:

The answer is A. Test Tube of zinc oxide

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