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Carbon dioxide (CO₂) turns lime water (Ca(OH)₂ solution) milky due to the formation of calcium carbonate (CaCO₃). This reaction is used as a test for the presence of carbon dioxide. Ca (OH)₂ + CO₂ → CaCO₃ ↓ + H₂O The white precipitate of calcium carbonate (CaCO₃) causes the milky appearance in lime water. If excess CO₂ is passed, the milky solution turns clear due to the formation of soluble calcium bicarbonate (Ca(HCO₃)₂).
Give a single word that substitutes for the following expression:
One who cannot be corrected or reformed
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The inability to obtain adequate sleep
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A sudden rush of frightened people or animals.
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A place where historical artifacts, artworks, and cultural objects are exh...
Give one word substitutes for the following from the choices given below them.
Of from or characteristic of Asia, especially East Asia
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His evidence has revealed the involvement of his neighbo...
Plunge
