Here's the classification of each substance as either an element, compound, or mixture:
- Soup - Mixture
- Salt Water - Mixture (of water and salt, which is a compound)
- Air - Mixture (of gases such as nitrogen, oxygen, etc.)
- Sodium (Na) - Element
- Nitrogen (N) - Element
- Soda - Mixture (of water, carbon dioxide, and other components)
- Carbon Dioxide (CO2) - Compound
- Hydrogen peroxide (H2O2) - Compound
- Ice cream - Mixture
- Cake batter - Mixture
- Coffee - Mixture
- Titanium (Ti) - Element
- Milk - Mixture
- Water (H2O) - Compound
For Question 2, without the provided pictures, I cannot classify the substances labeled as "Drop target 1" through "Drop target 5." If you provide descriptions or identities of those substances, I'd be glad to help classify them as well.