Which of the following is not a use of silicon ?
Correct answer: C. Antifreeze
- A. Lubricants
- B. Hydraulic brakes
- C. Antifreeze
- D. Water repellent
Explanation
Silicon-based silicones are used as lubricants, hydraulic fluids and water repellents, but antifreeze is not a standard use of silicon or its common compounds. Students may choose b by confusing silicone hydraulic fluids with the unrelated antifreeze chemicals used in cooling systems.
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About Reactions of Group IV Elements
Group IV, or Group 14, chemistry covers the trends from carbon and silicon to tin and lead, including their reactions with oxygen, halogens, water, acids and alkalis. It also examines the structures and properties of their oxides and chlorides, oxidation states, and the inert pair effect, rather than treating all members as equally metallic.
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