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Classify the substances given in Figure ...

Classify the substances given in Figure into elements and compounds.

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`{:("Elements","Compounds"),(Cu,"Sand"),(O_(2),H_(2)O),(Zn,CaCO_(3)),(F_(2),NaCl(aq)),(Hg,),("Diamond (Carbon)",):}`
Wood is neither an element nor compound. It is a mixture.
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NCERT EXEMPLAR-IS MATTER AROUND US PURE-Is Matter Around Us Pure
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  2. Give an example each for the mixture having the following characterist...

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  3. Fill in the blanks. (a) A colloid is a ……… mixture and its component...

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  4. Sucrose (sugar) crystals obtained from sugarcane and beetroot are mixe...

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  5. Give some examples of Tyndall effect observed in your surroundings?

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  6. Can we separate alcohol dissolved in water by using a separating funne...

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  7. On heating calcium carbonate gets converted into calcium oxide and car...

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  8. Non-metals are usually poor conductors of heat and electricity. They a...

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  9. Classify the substances given in Figure into elements and compounds.

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  10. Which of the following are not compounds? (a) Chlorine gas (b) Pota...

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  11. Fractional distillation is suitable for separation of miscible liquids...

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  12. (a) Under which category of mixtures will you classify alloys and why?...

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  13. Iron filings and sulphur were mixed together and divided into two part...

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  14. A child wanted to separate the mixture of dyes constituting a sample o...

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  15. A group of students took an old shoe box and covered it with a black p...

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  16. Classify each of the following, as a physical or a chemical change. Gi...

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  17. During an experiment the students were asked to prepare a 10% (mass/ma...

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  18. You are provided with a mixture containing sand, iron filings, ammoniu...

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  19. Arun has prepared 0.01% (by mass) solution of sodium chloride in water...

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  20. Calculate the mass of sodium sulphate required to prepare its 20% (mas...

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