2. We need to separate substances
2 हमें पदार्थों के पृथककरण की आवश्यकता होती है
(a) To separate two different but non useful components
(अ) दो भिन्न एवं अनावश्यक घटकों का अलग करने के लिए
(b) To separate two different but useful components
(ब) दो भिन्न एवं आवश्यक घटकों का अलग करने के लिए
(c) To remove non useful components
(स) अनावश्यक घटकों को अलग करने के लिए
(d) Both B and C
(द) ब और स दोनों
Answers
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Answer:
(d) Both B and C
Explanation:
Because most of the substances are in the form of mixtures. These mixtures contain unwanted substances which may be harmful and degrade the property of mixtures..So the purpose of separating components of a mixture are :
1) To remove unwanted and harmful substances
2) To obtain pure and useful substances
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