Podcast
Questions and Answers
What defines a pure substance?
What defines a pure substance?
- It is a kind of matter composed of only one or two kinds of atoms. (correct)
- It cannot be broken down into simpler substances.
- It consists of multiple kinds of atoms in varying proportions.
- It is made entirely of one kind of atom.
Which option accurately describes the two categories of pure substances?
Which option accurately describes the two categories of pure substances?
- Elements and compounds (correct)
- Solids and vapors
- Mixtures and alloys
- Gases and liquids
Which of the following statements is true about compounds?
Which of the following statements is true about compounds?
- They are formed by the combination of two or more different elements. (correct)
- They are composed of single types of atoms only.
- They cannot be broken down into simpler substances by chemical means.
- They can exist in a gaseous state only.
Which of the following is NOT an example of a pure substance?
Which of the following is NOT an example of a pure substance?
How can pure substances be classified?
How can pure substances be classified?