Substances in Common Use — Science STD 9 — Question
Maharashtra BoardEnglish MediumSTD 9ScienceSubstances in Common Use3 Marks
Question
What are salts?
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Answer
Inorganic substances occur naturally in the form of salts rather than acids or bases.
The ionic compounds which do not contain $H+$ and $OH$ ions and contain only one kind of cation and anion are called simple salts.
For example, $Na_2SO_4, K_3PO_4, CaCl_2.$
The sea is said to be a rich source of salts. In fact, the sea is a rich source of several salts of various elements such as chlorine, sodium, magnesium, potassium, calcium, bromine.
The important salts found in sea water are sodium chloride, magnesium chloride, magnesium sulphate, potassium chloride, calcium carbonate and magnesium bromide.
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