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E MARK QUESTIONS:What is meant by a pure substance? (NCERT QUESTION) |
Answer» <html><body><p><strong>Answer:</strong></p><p>A substance that has a fixed <a href="https://interviewquestions.tuteehub.com/tag/chemical-914796" style="font-weight:bold;" target="_blank" title="Click to know more about CHEMICAL">CHEMICAL</a> composition throughout is <a href="https://interviewquestions.tuteehub.com/tag/called-907796" style="font-weight:bold;" target="_blank" title="Click to know more about CALLED">CALLED</a> a pure substance such as water, air, and nitrogen. A pure substance does not have to be of a single <a href="https://interviewquestions.tuteehub.com/tag/element-969236" style="font-weight:bold;" target="_blank" title="Click to know more about ELEMENT">ELEMENT</a> or <a href="https://interviewquestions.tuteehub.com/tag/compound-926863" style="font-weight:bold;" target="_blank" title="Click to know more about COMPOUND">COMPOUND</a>.</p><p></p></body></html> | |