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CHEMISTRY

Chemistry
When water itself combines chemically with some element or mineral it is called

Hydration
Carbonation
Desilication
Oxidation

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Chemistry
Sea water is saltier than rain water because

Sea animals are salt producing
Rivers wash away salts from earth and pour them into the sea
Sea beds have salt producing mines
The air around the sea is saltish

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Chemistry
In sugar solution,

Both are solvents
Sugar is solute, water is solvent
Sugar is solvent, water is solute
Both are solutes

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Chemistry
The metallic constituents of hard water are :

Magnesium, tin and iron
Magnesium, calcium and tin
Iron, tin and calcium
Calcium, magnesium and iron

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Chemistry
Lead in water can cause

Arthritis
Eye disease
Hair falling
Kidney damage

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