Question

Which item is a pure substance?

A. 10 carat gold

B. Solid gold

C. Cake mix

D. Ocean water

Answer 1

Solid gold. 10 carat indicates gold purity is not 100%. For 24 karat gold is pure gold.

Step-by-step explanation:

Answer 2

solid gold

Step-by-step explanation:

Examples of pure substances include tin, sulfur, diamond, water, pure sugar (sucrose), table salt (sodium chloride) and baking soda (sodium bicarbonate). Crystals, in general, are pure substances. Tin, sulfur, and diamond are examples of pure substances that are chemical elements.