Chemical used for preservating jam and jelly
Rita wants to make mango jam, what should she use to preserve the jam?
I. Sugar
II. Sodium benzoate
III. Salt
IV. Sodium metabisulphite
____is used for the preservation of jam and jellies.
Why do we use chemicals such as sodium benzoate and sodium meta-analysis bisulphate as chemical preservatives? Why don't other chemicals?
Benzyl alcohol and ethanoic acid
Sodium benzoate and ethanol
Benzoic acid and sodium ethoxide