Question

classify the following substances into elements, compounds and mixtures
1. Air
2. Common salt
3. IRon fillings
4. Marble
5. Oxygen
6. Milk
7. Zinc
8. Bronze
9. Sand
10. Water​

Answer 1

Answer:

Air,sand,iron filling, zinc, are mixtures

marble, milk, common salt and bronze ate compounds

water is element

Answer 2

Elements is the purest form of matter.

Element: Mercury, sulphur, Gold, Oxygen.

Compound: Sugar, Water, alcohol

Mixture: Sand, Coal.

I hope it will help you.