4. the elements within a ______ can be separated by physical means.\n5. the elements within a ______ can…
4. the elements within a ______ can be separated by physical means.\n5. the elements within a ______ can only be separated by a chemical change (reaction).\n6. ice cream is classified as a(n)…\n7. a platinum ring is classified as a(n)…\n8. the ocean is classified as a(n)…\n9. pure water is classified as a(n)…\n10. a diamond is a(n)…\n11. the air we breath is classified as a(n)…
Answer
Brief Explanations:
- Mixtures have elements that can be separated by physical means like filtration, evaporation etc.
- Compounds are formed by chemical combination and can only be separated by chemical reactions.
- Ice - cream is a heterogeneous mixture as it has different components that are not uniformly distributed.
- A platinum ring is an element as it is made of only platinum atoms.
- The ocean is a mixture containing water, salts, dissolved gases etc.
- Pure water is a compound as it is made of hydrogen and oxygen chemically combined.
- A diamond is an allotrope of carbon and is an element.
- The air we breathe is a mixture of nitrogen, oxygen, carbon - dioxide and other gases.
Answer:
- Mixture
- Compound
- Mixture
- Element
- Mixture
- Compound
- Element
- Mixture