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PEARSON IIT JEE FOUNDATION-MYSTERY OF MATTER-Short ans.
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- Distinguish between elements and compounds.
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- Sodium chloride is a compound is common salt a compound? Justify.
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- Identify whether the following are elements or compounds or mixtures G...
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- Mention the purposes for which separation of mixtures is important Giv...
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- The principle of separation of a mixture depends on which factors?
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- Alum increases the rate of sedimentation. Why?
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- Methods of Separation: Sieving, Sedimentation, Decantation, Filteratio...
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- Explain how it is possible to separate gold from river sand.
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- Differentiate between residue and filtrate.
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- Explain the principle involved in centrifugation.
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- Which method is employed for the separation of constituents from a het...
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- Name the process you would use to separte a mixture of water and alcoh...
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- A mixture of iron filings, saw dust and sugar is available . Explain t...
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- Explain the principle invovled in the making of coffee decoction.
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