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In Chemistry / High School | 2014-05-20

Which of the following is a pure substance?

A. soda
B. gun powder
C. sugar water
D. steam

Asked by leslym123

Answer (2)

Steam.A pure substance has an unchanging composition,water in the form of steam has an unchanging composition

Answered by Aphrodite1228 | 2024-06-10

The pure substance among the given options is D. Steam, as it consists solely of water molecules with a consistent composition. The other options are mixtures, which contain more than one substance and do not have fixed compositions.
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Answered by Aphrodite1228 | 2024-09-27

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