1) Both carbon dioxide and water are pure substances. How are they similar to each other?

Question

A. both substances have a set ratio of atoms that cannot be separated by physical means.

B. both substances have a set ratio of atoms that can be separated by physical means.

C. both substances have the same physical and chemical properties.

D. both substances have the same physical properties, but different chemical properties.

Answer 1

Pure substance is a set ratio of atoms that cannot be separated by physical means.

Answer 2

Its A

Answer 3

It's A