Question

types of hardness types of hardness
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Answer 1

HERE IS YOUR ANSWER MY DEAR MATE

The three types of hardness are scratch, rebound, and indentation hardness. Measuring each type of hardness requires a different set of tools.

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Answer 2

Answer:

types of hardness :

the hardness of water is divided into two types

they are :

1 ) temporary hardness

2 ) permanent hardness

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@Rajula Ravalika