PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoSelect the best option:
1. A fractured bone is fixed with a paste made of Plaster of Paris (POP). It is a powdery substance which is used as a coating over the bandage on the fractured bone. After a few hours, the POP becomes hard and dry.
This change occurred in POP cannot be changed to its original powder form because it is a/an
This change occurred in POP cannot be changed to its original powder form because it is a/an
2. Sara got a pleasant smell of incense stick when she entered her home. She observed that, the paper kept below the incense stick got burnt in some places. On seeing this, she immediately kept the burning incense stick on a metal plate.
What type of change happened during the burning of incense stick?
What type of change happened during the burning of incense stick?
3. 
The phase change between solid to liquid on heating is known as
Reference:
https://image.shutterstock.com/image-vector/diagram-showing-changing-states-matter-600w-1027078486.jpg
https://image.shutterstock.com/image-vector/education-chart-biology-change-state-600w-658148128.jpg
Register for free to see more content