Which sample is a pure substance? a test tube of zinc oxide a container of zinc and oxygen a flask of pond water a jar of soil

Question

asked Jan 8, 2021 21.9k views

1 Answer

Famedoro · Answer 1 · 2021-01-15T06:26:07+0000

Answer:

A test tube of zinc oxide.

Step-by-step explanation:

The zinc and oxygen are not at a set ratio, the flask of pond water contains a whole lot of stuff (mixture), and a jar of soil is a mixture.