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ACIDS & BASES : *: ![] (BASE (Insoluble (metal oxides except gp 1,…
ACIDS & BASES :
*: ![]
ACID
all react with water to contain H+
strong
high concentration of H+ ions
ex:- sulphuric , nitric, hydrochloric
weak
low concentration of H+ ions
ex:- citric , acetic, asorbic
BASE
Soluble
Alkali OH- ions
strong
NaOH ,kOH
weak
NH4OH, Na2CO3
Insoluble
metal oxides except gp 1
metal hydroxides except gp 1
metal carbonates except gp 1
TESTING
Ph scale
universal indicator
Indicators
Litmus
phenolphthlein & methyle orange
natural substances
SALT
uses
Table salt ex:- Nacl
fertilizer ex:- Nh4No3
Epsom salts ex:- Mgso4
