Question

Classify them into pure substances
and mixtures.
Hydrogen, Air, Soil, gold, copper,
sulphur,iron,oxygen,water,carbon dioxide,
lemonade, Nitrogen, vegetable soup.​

Answer 1

Answer:

Vegatable soup

Explanation:

because it is mixed with various vegetables therefore it's not the pure substance

Answer 2

pure substances -Air,water, carbon dioxide, nitrogen

Explication:

The nitrogen in air has all properties that pure nitrogen does because both the mixture and the pure substances contain same nitrogen moleculs.

I hope this will help youu..!!