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Question : 73 of 100
Marks:
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Solution:
- The melting point of ice is 273 K.
- Water can exist in all three forms, i.e., solid, liquid, and gas.
- Solid in the form of ice, liquid in the form of water, and gas in the form of water vapours.
- The melting point is the temperature at which a substance changes its state from solid into liquid.
- For ice, the temperature in degree Celcius is 0 and in kelvin, it is 273.
- Kelvin is the SI unit of temperature and 0ºC = 273 K
- The formula for converting ºC into K is: K = 273 + temperature in ºC
- The temperature at which a liquid transforms into gas is termed as its boiling point.
- For water, the boiling point is 100ºC, i.e., 373 K.
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