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How do you differentiate between bases and alkali?
Alkali as well as base neutralize acid, but we have observed that alkali produce ##OH^-## ions in the water , whereas bases such as copper oxide and ferrous do not produce ##OH^-## ions.
All alkali are base but all bases are not alkali.
Hi Friend !
This is really a interesting question, but we make it very easy:
First we understand alkali, any substance that produces OH- (hydroxide ions) in aqueous solution is called alkali.
Here are some examples:
1) Sodium hydroxide solution - ##NaOH_((aq))##.
2) Calcium hydroxide solution - ##Ca(OH)_2####(aq)##
3) Ammonia solution - ##NH_3####(aq)##.
Now we will discuss on the Base:
Any substance that will neutralize an acid, but does not dissolve in water, is called a base.
Here are some examples:
Copper oxide, ferrous oxide and zinc carbonate are the good examples of base.
No doubt alkali as well as base neutralize acid, but we have observed that alkali produce ##OH^-## ions in the water , whereas bases such as copper oxide and ferrous do not produce OH- ions. bases are metallic oxides