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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.
उत्तर
Lime water to calcium bicarbonate
When CO2 is passed it turns milky.
Step I:
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 ?
Fill in the blank
....................... is formed when carbon is burnt in a limited supply of air or oxygen.
How is carbon monoxide gas formed?
Why is carbon monoxide called silent killer ?
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.
Give reason why carbon monoxide is considered a highly poisonous gas. State why it is dangerous to be in the vicinity of smokers.
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.
