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Distinguish between elements and compoun...

Distinguish between elements and compounds with one example of each.

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An element cannot be broken into simpler or smaller constituents but a compound can be broken as a result chemical reaction or by passing electric current (electro-chemical reaction). For example, sodium (element), sodium chloride (compound).
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DINESH PUBLICATION-IS MATTER AROUND US PURE-Short Answer Questions
  1. (a) Classify Brass and Diamond as element and mixture. (b) How is a ...

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  2. (a) Identify the heterogeneous mixture from the following : Air, sod...

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  3. Distinguish between elements and compounds with one example of each.

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  4. A solution contains 60 g of sugar in 480 g of water. Calculate the con...

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  5. Identify the dispersed phase and dispersion medium in the following ex...

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  6. Define a solution. If 10 mL of H(2)SO(4) are dissolved in 90 mL of wat...

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  7. (a) 110 g of a solute are present in 550 g of solution. Calculate the ...

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  8. State which of the following solutions exhibit Tyndall effect : St...

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  9. what is tyndall effect ? List any three differences between colloidal ...

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  10. 12 mL of dettol is added to a beaker containing 500 mL of water and is...

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  11. Properties of a compound are different from its constituents, while a ...

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  12. Can physical and chemical changes occur together ? Illustrate your ans...

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  13. On dissolving chalk powder in water, a suspension is obtained. Give an...

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  14. Name the type of colloids in each of the following giving an example o...

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  15. what is the difference between colloids and suspensions ?

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  16. Give an example each for the mixture having the following characterist...

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  17. Give an example for each of following : (a) Solid-liquid homogeneou...

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  18. List two differences between a pure substance and a mixture. Give an e...

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  19. Why is crystallisation better than evaporation for the separation of m...

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  20. Give one example each of a mixture which shows the following character...

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