Which among the following materials would you identify as soft materials and why? Ice, rubber band, leaf, eraser, pencil, pearl, a piece of wooden board, cooked rice, pulses and fresh chapatti.
Answers
Rubber band, leaf, eraser, cooked rice, and fresh chappati are soft materials. Soft materials: Materials which can be compressed, bent, cut or scratched easily are called soft. Rubber band, leaf, eraser, cooked rice, and fresh chappati can be compressed, cut, bent or scratched easily. Hence they are soft. On the other hand, pencil, pearl, wooden board and pulses all are hard materials. They cannot be compressed or scratched easily.
Answer:
rubber band,leaf ,eraser,cooked rise and fresh chappati.
Explanation:
the term soft and hard is given to a substance according to its molecular packing ,if atoms of a substance is closely placed it will be hard in nature and not be pressable, where poorly packed atoms are termed as soft .
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