Biscuit is generally considered to be slightly basic or neutral, depending on its ingredients. The pH level of biscuits typically ranges around 6 to 7, which is close to neutral. However, certain ingredients, like baking soda, can make them slightly alkaline. Overall, biscuits are not classified as acidic.
Acidic. Becasse onion contains sulphur compounds which form acid oxides/acids.
basic or acidic
Acidic
Acidic
its acidic
acidic
acidic
Acidic
The solution is acidic.
It 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.