Question

What causes permanent and temporary hardness of water?

Answer 1

Answer:

Temporary hardness of water is when there are high concentrations of calcium and magnesium carbonates in the water.

Permanent hardness of water is when there are low concentrations of calcium and magnesium carbonates in the water.

Answer 2

Hey mate, here's your answer

Temporary hardness of water is when there are high concentrations of calcium and magnesium carbonates in the water.

These minerals can be precipitated by boiling.

Permanent hardness in water is hardness due to the presence of the chlorides, nitrates and sulphates of calcium and magnesium, which will not be precipitated by boiling.

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