Materials (glass types): The inexpensive, common glass used in windows and bottles is called soda glass. Why is it called “soda” glass? Identify the key sodium-containing ingredient used in its manufacture. Choose the correct option.
IIT JEE
Chemistry
Difficulty: Easy
Choose an option
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AIt contains sodium carbonate (“soda”) in its batch
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BIt was first made near Soda Lake
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CIt releases soda when dissolved in water
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DIt contains only sodium silicate without lime
Answer
Correct Answer: It contains sodium carbonate (“soda”) in its batch
Explanation
ConceptSoda–lime glass is made from silica (SiO₂) + sodium carbonate (Na₂CO₃, “soda”) + calcium carbonate (CaCO₃, “lime”). The sodium carbonate lowers the melting point—hence the name “soda glass.”
Final AnswerIt contains sodium carbonate (“soda”) in its batch