Hydrogen Bonding

Washing soda,

%5Cleft(%20Na%20_%7B2%7D%20CO%20_%7B3%7D%20%5Ccdot%2010%20H%20_%7B2%7D%20O%20%5Cright)

is used to remove permanent hardness of water. It converts

Ca%20%5E%7B2%2B%7D

and

Mg%20%5E%7B2%2B%7D

salts (soluble) to carbonates (insoluble).

Ca%20%5Cleft(%20HCO%20_%7B3%7D%5Cright)_%7B2%7D%2B%20Na%20_%7B2%7D%20CO%20_%7B3%7D%20%5Crightarrow%20CaCO%20_%7B3%7D%20%5Cdownarrow%2B2%20NaHCO%20_%7B3%7D

MgCl%20_%7B2%7D%2B%20Na%20_%7B2%7D%20CO%20_%7B3%7D%20%5Crightarrow%20MgCO%20_%7B3%7D%20%5Cdownarrow%2B2%20NaCl

Chapter Questions
1 MCQs