Answer:
There are many household Acids and Alkalis such as:
'''Acids:'''
Vinegar
Milk
Lemon juice - or any citrus juice
tomato sauce
coke
'''Alkalis:'''
Soap
Toothpaste
Washing-up liquid
cream cleaner
surface cleaner
bleach
drain cleaner
Bleach (Sodium Hypochlorite NaOCl) by definition has to be slightly alkaline and is made by by the chlor-alkali process. Acid causes toxic chlorine to be liberated.