chapter 1 Exploration: Entering the World of Secondary Science - Part 5

Which is a pure substance in the usual school-science classification?

Type: MCQ • Marks: 1
Which is a pure substance in the usual school-science classification?
Options
A. Soil
B. Distilled water
C. Salt water
D. Air
Explanation
Distilled water is treated as a pure substance because it consists mainly of H₂O.
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Class 9th Science (MCQ)

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