A) Air
B) Distilled water
C) Steel
D) Brass
Correct Answer: B
Solution :
[b] Any substance that contains only one type of particles (e.g. molecules/atoms etc.) is said to be a pure substance. Among the given options, only distilled water has one type of particles (i.e. \[{{H}_{2}}O\]molecules).You need to login to perform this action.
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