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प्रश्न
A sample of water under study was found to boil at 102°C at normal temperature and pressure. Is the water pure? Will this water freeze at 0°C? Comment.
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उत्तर
The sample of water boils at a higher temperature which shows that water is not pure. Due to impurities present in it water boils at a higher temperature. This water will freeze below 0°C.
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संबंधित प्रश्न
Differentiate between melting point and boiling point, giving atleast one example of each.
A liquid can change into vapour state at a fixed temperature.
Describe an experiment to demonstrate that water absorbs heat during boiling at a constant temperature.
The boiling point of water is defined as ______.
During summer, water kept in an earthen pot becomes cool because of the phenomenon of
Choose the correct statement of the following
Evaporation of a liquid at room temperature leads to a ____________ effect.
____________ is the change of solid state directly to vapour state without going through the ____________ state.
The phenomenon of change of a liquid into the gaseous state at any temperature below its boiling point is called ____________.
Conversion of solid to vapour is called sublimation. Name the term used to denote the conversion of vapour to solid.
