sodium silicate is commonly known as
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water glass
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hydrated glass
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soluble glass
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sour water
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Correct answer
Explanation
Sodium silicate (Na2SiO3) is commonly called 'water glass' because it forms a glassy solid and is soluble in water. It's used in cement, soap, and as a preservative for eggs. The other options are made-up names not used in chemistry.
AI explanation
Sodium silicate is commonly known as water glass (or liquid glass) because it forms a glassy, water-soluble compound used in adhesives, detergents, and fireproofing. The name reflects both its glass-like chemical composition and its solubility in water, unlike ordinary silicate glass.