Podcast
Questions and Answers
Which type of mixture has uniform composition throughout and appears as a single phase?
Which type of mixture has uniform composition throughout and appears as a single phase?
- Pure substance
- Homogeneous mixture (correct)
- Element
- Heterogeneous mixture
What is the basic unit of matter that retains its chemical properties?
What is the basic unit of matter that retains its chemical properties?
- Atom (correct)
- Molecule
- Element
- Compound
Which of the following is NOT a pure substance?
Which of the following is NOT a pure substance?
- Gold
- Saltwater (correct)
- Water
- Oxygen gas