PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoAnswer the following brief:
What do you understand by a reversible change?
Answer variants:
state
cooling
temporary
no new substance
damaged material
length
heating
shape
original form
colour
A reversible change is a change in which a substance or object can be changed back to its , , or . In this type of change, is formed, and the change is usually . Reversible changes often occur due to , , stretching, or folding. For example, ice melts into water when heated and changes back into ice when cooled again.
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