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(a) Name a metal which is the best condu...

(a) Name a metal which is the best conductor of heat.
(b) Among the substances given below choose the element, mixture and compound.
(a) Air (b) Lead (c ) Diamond (d) Calcium carbonate.

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(a) The metal is silver (Ag).
(b) Air (Mixture) (b) Lead (Element) (c ) Diamond (Element) (d) Calcium carbonate (Compound).
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DINESH PUBLICATION-IS MATTER AROUND US PURE-Short Answer Questions
  1. (a) Name a non-metallic element found in (i) liquid state (ii) gaseous...

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  2. (a) Name a metal which is liquid at room temperature. (b) Smoke and ...

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  3. (a) Name a metal which is the best conductor of heat. (b) Among the...

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  4. (a) Draw a flow sheet diagram to show the process of obtaining constit...

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  5. Name the appropriate methods for the separation of the following : ...

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  6. (a) Identify the solute and solvent in tincture of iodine. (b) Why...

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  7. (a) Arrange solids, liquids and gases in increasing order of the follo...

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  8. List the two conditions essential for using distillation as a method f...

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  9. Water is a compound and not a mixture. Justify the statement giving tw...

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  10. (a) Write one property of suspension. (b) Identify solute and solv...

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  11. (a) Classify Brass and Diamond as element and mixture. (b) How is a ...

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

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

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

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

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

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

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

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

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  20. 12 mL of dettol is added to a beaker containing 500 mL of water and is...

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