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Chemistry
1. Matter in Our Surroundings
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Q64 of 160 Page 38

If the temperature of an object is 268K, it will be equivalent to:

Temp. on Celsius scale = Temp. on Kelvin scale - 273

268 – 273 = -5 �C

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62

One of the following does not undergo sublimation. This one is:

63

Which of the following process/processes release heat?

(i) condensation


(ii) vaporization


(iii) freezing


(iv) melting

65

The boiling point of ethane is, -88°C. This temperature will be equivalent to:

66

When heat is constantly supplied by a gas burner with small flame to melt ice, then the temperature of ice during melting:

Questions · 160
1. Matter in Our Surroundings
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