PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoRead the statement and select the correct answer:
1. Statement 1: Ripening of tomato is a reversible change.
Statement 2: Breaking of the windshield in a car is a reversible change.
Statement 2: Breaking of the windshield in a car is a reversible change.
2. Ria tried to open the metal cap of a sauce bottle to taste it but could not do so. Then she took some hot water in a bowl and immersed the cap into it for some time. After doing this, she could easily open the bottle because of
Statement 1: Expansion of metal cap on heating.
Statement 2: Contraction of metal cap on heating.
Statement 1: Expansion of metal cap on heating.
Statement 2: Contraction of metal cap on heating.
3. Statement 1: Boiling, melting and freezing are only physical change.
Statement 2: Boiling, melting and freezing are only chemical change.
Statement 2: Boiling, melting and freezing are only chemical change.
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