Question

A pure substance is any substance with a definite chemical composition and cannot be broken down through ________ separation techniques.

Answer 1

various

Step-by-step explanation:

A pure substance cannot be separated into 2 or more substances by physical means such as crystallization or distillation nor by mechanical means such as sifting, filtering, or using a magnet. ... Water (H2O) (4) is a pure substance because it can NOT be separated into simpler substances by physical or mechanical means