Malt vinegar
The most common data for malt vinegar is a pH of 2.5. Some outliers are 3.5.
No
Both white vinegar and balsamic vinegar are gluten free. Malt vinegar is not.
Malt vinegar, white wine vinegar, white spirit vinegar. Spirit vinegar doesn't taste as good as any of the brewed vinegars. The closest substitute is probably white wine vinegar mixed with an equal quantity of apple juice. Failing that, mix apple juice with malt vinegar. Red wine vinegar would give a taste that you might not want.
Of course a toddler can have red wine vinegar.
the thing about distilled malt vinegar is that when in the factory gelatinous pig fat is added along with untampered cow milk to make the mixture solidify but if this doesn't bother you there is no difference
yes!
I do not think so
yes
No, it will not hurt you.
If you're preserving something, cider vinegar is probably a good substitution. Alternatively, red or white wine vinegar will still preserve but give slightly different results.