Question

how will you identify materials based on their hardness give example​

Answer 1

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how will you identify materials based on their hardness give example

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You can easily scratch some materials, while some cannot be scratched so easily. Materials which can be compressed or scratched easily are called soft while some other materials which are difficult to compress are called hard. For example, cotton or sponge is soft while iron is hard.

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Answer 2

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How will you identify materials based on their hardness give examples.

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You can easily scratch some materials,while some cannot be scratch so easily.Materials which can be compressed or scratched easily calked soft while some others materials with are difficult to compress are called hard.For example,cotton or sponge is soft while iron is hard.

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What are materials?

• metal
• plastic
• wood
• glass.
• synthetic fibres.

What is metal ?

Metal is a substance whichis sonorous,ductile,and a good conductor of heatband electricity.It can be beaten in thin sheets.

What is synthetic fibres ?

The fibre which are prepared from chemical substances in industry are called synthetic fibres.