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Questions and Answers
Which of the following is a naturally occurring inorganic substance with a definite chemical composition?
Which of the following is a naturally occurring inorganic substance with a definite chemical composition?
- Water
- Diamond (correct)
- Sugar
- Wood
What is the hardest known natural material on Earth?
What is the hardest known natural material on Earth?
- Quartz
- Talc
- Gold
- Diamond (correct)
Which substance is composed of carbon atoms arranged in a crystal lattice structure?
Which substance is composed of carbon atoms arranged in a crystal lattice structure?
- Sulfur
- Salt
- Calcium carbonate
- Graphite (correct)
What type of material is wood classified as?
What type of material is wood classified as?
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Study Notes
Natural Substances
- A naturally occurring inorganic substance with a definite chemical composition is a mineral.
- Diamond is the hardest known natural material on Earth.
- Diamond is a substance composed of carbon atoms arranged in a crystal lattice structure.
- Wood is classified as an organic material.
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