Questions
Correct statement about ‘A’ is
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By Expert Faculty of Sri Chaitanya
a
It is responsible for temporary hardness of water
b
It is insoluble in water
c
On strong heating ‘A’ forms a metal carbonate
d
All are correct
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Correct option is A
'A' is Ca(HCO3)2It is soluble in water, responsible for temporary hardness of water.Ca(HCO3)2→Δ CaCO3+H2O+CO2CaCO3 →Δ CaO +CO2Ca(HCO3)2 →Strong ∆ CaO+H2O+2CO2Similar Questions
The molecular formula of a commercial resin used for exchanging ion in water softening is C8H7SO3 Na (mol. wt. = 206). What would be the minimum uptake of Ca2+ ions by the resin when expressed in mole per gram resin ?
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