TOPIC 02-ACIDS, BASES AND SALT
BASE
A base is a substance which contains the oxide ion or hydroxide ion and reacts with acid to give salt and water only
Or
A base is a soluble substance which accepts a proton
A soluble base is called Alkali
The Alkaliโs are
The solution of Ca(OH)2 in water is called lime water
Magnesium hydroxide (milk of magnesia โฆโฆโฆMg(OH)2
Itโs also sparingly soluble
The soluble bases when in solution produce OH- as their only negative ion
PROPERTIES OF BASES
Alkalis have a soapy feeling (slippery)
Alkalis have bitter taste
Alkalis turn red to blue litmus paper
They react with acids and water only