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Kanta Jha
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Asked: 2025-01-31T07:11:32+00:00 In:

The boiling points of diethyl ether, acetone and n-butyl alcohol are 35 °C, 56 °C and 118 °C respectively. Which one of the following correctly represents their boiling points in kelvin scale? (a) 306 K, 329 K, 391 K (b) 308 K, 329 K, 392 K (c) 308 K, 329 Κ, 391 Κ (d) 329 K, 392 Κ, 308 K

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0%(a) 306 K, 329 K, 391 K
0%(b) 308 K, 329 K, 392 K
100%(c) 308 K, 329 Κ, 391 Κ ( 1 voter )
0%(d) 329 K, 392 Κ, 308 K
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(c) We can check by adding 273 to the celcius temperature.

https://www.tiwariacademy.com/ncert-solutions-class-9-science-curiosity-chapter-1/

boiling points in kelvin scaleclass 9thmcqscience
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    1 Answer

    1. (c) 308 K, 329 K, 391 K.
      To convert Celsius to Kelvin:
      K = °C + 273
      Diethyl ether: 35°C + 273 = 308 K
      Acetone: 56°C + 273 = 329 K
      n-Butyl alcohol: 118°C + 273 = 391 K

      https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-1/

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