It depends what the recipe is. For example, for sweet recipes (eg with Prunes in them, which are often paired with Armagnac), I would use another sweet brandy, or Marsala or Port, as Whisky would be too dry in my opinion. For savoury recipes, Whisky may be the better choice. Try it though and see what you think - you may discover it is the perfect substitute,
There is no substitute for baking soda.
It could be used depending on what you are baking. A better substitute would be Stevia.
Baking powder and salt.
no but usually there is alternatives like oils you can substitute instead of baking powder
Not to bake stuff like bread. You can substitute 1 baking soda for 2 baking flour to make reductions. You can substitute 1 baking soda for 1 baking flour for gags (throwing on someone in the shower).
Yes. Baking soda will work as a substitute in this case.
Baking Soda
baking powder.
nothing
Anisette
You could use yeast instead of baking powder.
You cannot use baking powder as a substitute for baking soda