Ammonia cant be as it would react - neither can phosphine
Ethanoic anhydride cannot be dehydrated any further as it is already the dehydrated form of Ethanoic acid. You can remove water from Ethanoic acid by using Concentrated H2SO4.
Zinc oxide cannot be used with sulphuric acid to prepare zinc sulphate. This is because zinc oxide is insoluble in sulphuric acid, and therefore, it would not react to form zinc sulphate.
The valency for sulphuric acid is H2SO4
No, sulphuric acid is not found in vinegar.
No. It is a mixture of sulphuric acid and water.
Fertilisers contain Sulphuric acid.
There are many different concentrations of "concentrated sulphuric acid". It is possible to deduce the concentration of the sulphuric acid by titration.
Yes. Sulphuric acid is british
You can use either the nitric or hydrochloric acid as a replacement of the sulphuric acid.
The chemical formula of sulphuric acid is H2SO4.
Reactant.
Sulphuric these days also spelt as sulfuric