Air and Water
NIOS · Class 10 · Science & Tech
All formulas from Air and Water in NIOS Class 10 Science & Tech. Key equations, constants, and identities for board exam preparation.
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Purification, Hardness, and Softening of Water
Ca(HCO3)2 --Heat--> CaCO3 + H2O + CO2
Mg(HCO3)2 --Heat--> MgCO3 + H2O + CO2
Ca(HCO3)2 + Ca(OH)2 --Heat--> CaCO3 + 2H2O
Mg(HCO3)2 + Ca(OH)2 --Heat--> 2MgCO3 + CaCO3 + 2H2O
CaCl2 + Na2CO3 --Heat--> CaCO3 + 2NaCl
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