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प्रश्न
Explain why:
Ice at zero degrees centigrade has greater cooling effect than water at 0oC.
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उत्तर
Ice at 0°C gives more cooling effect than water at 0°C because at 0°C ice absorbs 336 J per gram of energy to melt to 0°C water.
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संबंधित प्रश्न
Give two example of Solvent other than water.
Discuss the importance of water as a solvent for our body .
What are the observations and conclusions when tap water is boiled and evaporated in watch glass?
What is the importance of dissolved salts in water?
Explain the terms:
Solvent
In which of the following substances will there be
No change in mass when they are exposed to air?
Sodium chloride
Iron
Conc. sulphuric acid
Table salt
Sodium carbonate crystals
Name the gas that:
Does not affect acidified K2Cr2O7 paper but turns lime water milky.
Select the correct answer from the choice given in the options.
A deliquescent salt of a divalent metal _____.
What insoluble substance? Give examples.
Aquatic plants make use of dissolved ______ for photosynthesis.
