Question

HCI
ΗΝΟ3
HBr

H2SO4
H3BO3
NaOH
KOH
Ca(OH)2
NH4OH
NaC1
Ca(NO3)2
K2SO4
Cacl2
(NH4)2SO4
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Answer 1

Explanation:

All these are acids

but may I know what question are you asking

Answer 2

HCI

ΗΝΟ3

HBr

H2SO4

H3BO3

NaOH

KOH

Ca(OH)2

NH4OH

NaC1

Ca(NO3)2

K2SO4

Cacl2

(NH4)2SO4