8. When silver metal comes in contact with sulfur, silver sulfide forms and the silver appear darker. This is a
A. change of form C. change in state B. chemical change D. physical change​


Sagot :

Question:

When silver metal comes in contact with sulfur, silver sulfide forms and the silver appear darker. This is a

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Answer:

»B. Chemical change

  • The metal oxide sometimes reacts with water to make the hydroxide; and carbon dioxide to make the carbonate. It is a chemical change.

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