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Pure substances can be elements or compo...

Pure substances can be elements or compounds. An element is a form of matter which cannot be broken down by chemical reactions into simpler substances. A compound is a substance composed of two or more different types of elements, chemically combined in a fixed proportion. Properties of a compound are different from its constituent elements, whereas a mixture shows the properties of its constituting elements or compounds
Which of the following is not a pure substance?

A

Tin

B

Coal

C

Ice

D

Limestone

Text Solution

Verified by Experts

The correct Answer is:
B
Coal is a mixture of carbon and other impurities.
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