Assertion (A): Elements and compounds are pure substances. (1) Reason(R): All the constituent particles of a pure substance are the same in their chemical nature.
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Assertion is correct but Reason is not the correct explanation of the Assertion
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Assertion: Elements and compound are the examples of pure substances. ... An element consists of only one type of particles (i.e., atoms or molecules). In a compound, the atoms of different elements are present in a fixed and definite ratio and the constituents of a compound can be separated by chemical methods.
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