what is name of hardness scale

The hardness of water (hardness count) is usually expressed as parts per million (by mass) of calciu...

How can variation in hardness of water be determined in a laboratory? How is the using of sodium c...

How do we know about hardness and softness of water

Hardness in groundwater is due to the presence of metal ions, primarily Mg2+ and Ca2+ . Hardness...

anthracite Hardness

What is permanent hardness

This is Mohs hardness scale. A 2 column table with 11 rows. The first column is labeled Mineral w...

Hardness is _____. the way a mineral splits when stressed measured using the Mohs scale the lea...

Use the Mohs Hardness Scale chart to answer the question. A chart titled Mohs Hardness Scale show...

Use the Mohs Hardness Scale chart to answer the question. A mineral is scratched by apatite but not...

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