Which of the following property does not describe a compound?

Which of the following property does not describe a compound?


Question: Which of the following property does not describe a compound?

A compound is a substance that is made up of two or more different types of atoms that are chemically bonded together. Compounds have fixed compositions, definite properties and can be separated into simpler substances by chemical reactions. Which of the following property does not describe a compound?

- A) It has a constant ratio of elements by mass.

- B) It can be broken down into elements by physical means.

- C) It has different properties from its constituent elements.

- D) It forms when atoms share or transfer electrons.


The correct answer is B. A compound cannot be broken down into elements by physical means, such as heating, filtering or dissolving. Physical means only change the state or appearance of a substance, but not its identity. To break down a compound into elements, a chemical reaction is needed, such as electrolysis, combustion or decomposition.

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