Question

Which of the following is a pure substance? Choose all that apply.

Fruit Juice

Nickel (Ni)

Saltwater

Rust (Fe2O3)

Answer 1

Any guesses? Pure means only ONE element.

Answer 2

Pure fruit juice is possible. A pure substance is any substance free of impurities. However, for the high school chemistry level, pure substances are single elements- not compounds or mixtures.

Answer 3

nvm