What is the major compound present in common salt? (a) MgCl₂ (b) NaCl (c) CaCl2 (d) KCl
(b) NaCl is the major compound present in common salt.
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The correct answer is: (b) NaCl. Common salt, also known as table salt, is primarily composed of sodium chloride (NaCl). It is an ionic compound made of sodium (Na⁺) and chloride (Cl⁻) ions, essential for human health and widely used in food and industry.
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