Question

4. The temperature at absolute zero is (a) 273.15°C (b) 0°C (c) -373.15°C (d) -273.15°C

11th - 12th Class

Chemistry

Solution

147

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By international agreement, absolute zero is defined as precisely; ( 0 mathrm{K} ) on the Kelvin scale, which is a thermodynamic (absolute) temperature scale; and - 273.15 degrees Celsius on the Celsius scale.