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State the effect of an increase of impur...

State the effect of an increase of impurities on the melting point of ice.

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increase of impurity decreases the melting point of ice .
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ICSE-SELF ASSESSMENT PAPER -3-SECTION-B
  1. Name the wire in a household electrical circuit to which the switch is...

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  2. The figure shows a circuit. When the circuit is switched on, the amm...

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  3. The figure shows a circuit. When the circuit is switched on, the amm...

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  4. The figure shows a circuit. When the circuit is switched on, the amm...

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  5. Explain why strings of different thickness are provided on a stringed ...

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  6. Specific heat capacity of substance A is 3.8 J/gK, whereas the specifi...

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  7. Specific heat capacity of substance A is 3.8 J/gK, whereas the specifi...

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  8. Specific heat capacity of substance A is 3.8Jg^(-1)K^(-1) whereas the ...

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  9. Water in lakes and ponds do not freeze at once in cold countries. Give...

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  10. What is the principle of Calorimetry?

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  11. Name the law on which this principle is based.

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  12. State the effect of an increase of impurities on the melting point of ...

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  13. Name the radiations : that are used for photography at night.

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  14. Name the radiations : used for detection of fracture in bones.

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  15. Name the radiations : whose wavelength range is from 100 Å to 4000 Å...

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  16. Name one radio isotope and state its use.

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  17. state one safety precaution for each of the following: (1) in handling...

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  18. A certain nucleus X has a mass number 14 and atomic number 6. The nucl...

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  19. A certain nucleus X has a mass number 14 and atomic number 6. The nucl...

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  20. A certain nucleus X has a mass number 14 and atomic number 6. The nucl...

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