Which of the following is not endothermic process?      
  • a)
    Fusion
  • b)
    Vapourisation      
  • c)
    Temperature
  • d)
    Insoluble heavy impurities
Correct answer is option 'C'. Can you explain this answer?

Class 9 Question

3 Answers
Shiksha Academy answered Feb 03, 2020
An endothermic process is any process which requires or absorbs energy from its surroundings, usually in the form of heat. It may be a chemical process, such as dissolving salt in water, or simply the melting of ice cubes.
- insoluble of heavy impurities is the correct solution

Madhu answered Mar 03, 2020
Option c

Munish Goyal answered 4 weeks ago
OPTION D MUST BE CORRECT

AN ENDOTHERMIC PROCESS ABSORBS HEAT ENERGY FROM SURROUNDINGS.
OPTIONS A AND B ARE ENDOTHERMIC PROCESSES WHILE OPTION C IS SELF DONT GIVE MUCH SENSE BUT WE CAN SAY THAT TEMPERATURE IS THE MEASURE OF KE OR HEAT THUS A THERMOMETER REQUIRES TO ABSORB HEAT IN ORDER TO MEASURE TEMPERATURE 

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