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प्रश्न
What do you mean by the change of state of matter?
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उत्तर
The change in the state of matter of a substance from solid to liquid or from liquid to gas is brought by imparting heat energy to it at a constant temperature.
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संबंधित प्रश्न
Evaporation takes place over the entire mass of the liquid.
Fill in the blank
The inter-molecular forces are the weakest in ...............
Give a reason for the Gases can be compressed easily.
Write true or false for the statement. Rewrite the false statement correctly.
Solids can be compressed easily.
Give two examples for of the following
Substances which sublime.
Select natural and man-made matter from the following list:
Wood, plastic, silk, medicines, detergents, coal, water, ceramic, cotton, glass, nylon, fruits.
Which one is a kind of matter
State what would you observe if
(a) sugar is added to pebbles take in a plastic beaker
(b) sand is added to glass balls in a beaker. What would you conclude from this imaginative demonstration?
Complete the statement given below by selecting the correct word.
The conversation of vapour into a liquid is called ____.
For removing grains from stalks, the ______ method is used.
