Silicon Carbide Is an Important Industrial Chemical

question 121

Multiple Choice

Silicon carbide is an important industrial chemical. Which of the following statements about silicon carbide is true?

• A) It will react with water to form acetylene.
• B) It is used in the preparation of glass which can be used at high temperature.
• C) It is the hardest known substance.
• D) It is a naturally occurring mineral source of silicon.
• E) It is used for cutting, grinding, and polishing metals and glasses.

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Medicines that are in liquid form, which can be easier to swallow or administer than pills for some patients, especially children or those with swallowing difficulties.

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