(a) gypsum contains a lower percentage of calcium than piaster or rain
6. Aqueous solution of sodium carbonate absorbs NO and NO2 to give
(a) CO2 + NaNO3
(b) CO2 + NaNO2
(c) NaNO2 + CO
(d) NaNO3 + CO
sherretament with reference to colubility of
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Explanation:
a) CO2 + NaNO3.= NaCO3 + NO2
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