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  1. The unit of temperature adopted by the SI (international system of units) is the celsius and kelvin scales. It is based on the
    1. Melting point of ice
    2. Boiling point of water
    3. Triple point of water corresponding to -0.01°C
    4. Temperature at which solid, liquid and gaseous water are all in equilibrium, i.e., -273°C
Correct Option: C

N/A



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