Classify each of the following as a mixture or a pure substance.a. waterf. uraniumb. bloodg. winec. the oceansh. leatherd. ironi. table salt $(\mathrm{NaCl})$e. brassOf the pure substances, which are elements and which are compounds?

Step by Step Solution: Step 1. Identify each substance and determine if it is a mixture or a pure substance. Step 2. For the pure substances, determine if it is an element or a compound. Step 3. a. water - pure substance (compound)\nb. blood - mixture\nc. the oceans - mixture\nd. iron - pure substance (element)\ne. brass - mixture\nf. uranium - pure substance (element)\ng. wine - mixture\nh. leather - mixture\ni. table salt (NaCl) - pure substance (compound) Step 4. Pure substances:\n- Water (compound)\n- Iron (element)\n- Uranium (element)\n- Table salt (compound) Step 5. Key Concepts: mixture, pure substance, element, compound