codyector codyector

27-09-2022
Chemistry

Answered

(01.06 MC)

The gas carbon dioxide is a pure substance. Which of the following is true about carbon dioxide?

Group of answer choices

A:Carbon and oxygen are chemically bonded in it.

B:Carbon and oxygen retain their original identity in it.

C:It can be separated into carbon and oxygen using physical methods.

D:The proportion of carbon and oxygen is different in different samples of the gas.

Answer :

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