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1. How will you identify materials based on their hardness? Give examples.
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1
Answer:
Materials which are used to prepare different substances can be classify easily on the basis of hardness. Like their are material like pillow, cotton etc. are soft but materials like iron rod is hard.
Explanation:
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0
Answer:
You can easily scratch some materials, while some cannot be scratched so easily.
Explanation:
Materials which can be easily scratched are called soft while some other materials which are difficult to scratch or compress are called hard. For example, cotton or sponge is soft while iron is hard.
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