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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
Write the balanced chemical equation for the above reaction.
What happens when carbon dioxide is passed through lime water first in small amounts and then in excess ?
Carbon monoxide burns in air with a ______ flame to form carbon dioxide.
Fill in the blank:
Carbon monoxide is a products of..................combustion.
Write two remedies for carbon monoxide poisoning.
Give reason why carbon monoxide is considered a highly poisonous gas. State why it is dangerous to sleep in a closed room with a fuel burning.
Convert carbon monoxide to carbon dioxide using two different methods.
State how carbon monoxide finds application in the metallurgy of iron. [Give balanced equations for the same]
State how carbon monoxide finds application in preparation of an alcohol. [Give balanced equations for the same]
Give reason for the following:
Lime water finds application for testing both carbon dioxide & carbon monoxide gas individually.
