The water solution of potassium nitrite is a weak base.
Onion is slightly acidic with a pH typically around 5.3–5.8
basic or acidic
Acidic
Acidic
its acidic
acidic
acidic
Acidic
It is acidic
The solution is acidic.
acidic i think
The two oxides of sulphut , viz., SO2, and SO3 , both form acids on dissolving in water. NB Remember oxides of non-metals are acidic. Oxides of metals, particularly Groups '1' & '2' are basic and form hydroxides.