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P-1 Heat — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceP-1 Heat2 Marks
Question
Write short notes :
Regelation
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Answer

(i) If wo small ice cubes are pressed upon each other, the pressure at the surfaces of contact increases and melting point is reduced.
(ii) Due to this, ice melts and forms water.
(iii) When pressure is removed, then the melting point comes back to normal and water freezes again to form ice, sticking the two pieces of ice together.
(iv) This melting of ice when subjected to pressure and then when pressure is released, it forms ice again. This is called regelation.

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