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प्रश्न
Give a balanced equation for the following conversion: [In one or two steps]
Lime water [soln. of calcium hydroxide] to calcium bicarbonate.
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उत्तर
Lime water to calcium bicarbonate
When CO2 is passed it turns milky.
Step I: \[\ce{Ca[OH]2 + CO2 -> \underset{\text{Cal.carbonate(insoluble)}}{CaCO3↓} + H2O}\]
Step II: On passing excess of CO2, soluble HCO3 is formed and miliness disappears.
CaCO3 + H2O + CO2 → Ca[HCO3]2
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संबंधित प्रश्न
What happens when carbon dioxide is passed through lime water first in small amounts and then in excess ?
Give reason for the following:
Solid carbon dioxide is used for refrigeration of food.
Fill in the blank
....................... is formed when carbon is burnt in a limited supply of air or oxygen.
Carbon monoxide burns in air with a ______ flame to form carbon dioxide.
Fill in the blank:
Carbon monoxide is a products of..................combustion.
How is carbon monoxide gas formed?
Why is carbon monoxide called silent killer ?
Explain the reducing action of carbon monoxide.
‘When carbon dioxide is bubbled into lime water, the lime water turns milky and when bubbled in excess the milkiness disappears’. Give balanced equations to support the statement.
State how carbon monoxide finds application in preparation of an alcohol. [Give balanced equations for the same]
