Related Clues:

• Hydrochloric --
• Substance with a low pH
• Beginning to a bad rain?
• Gastric juices, e.g.
• Dripping with sarcasm
• Kind of rock or jazz
• Battery content
• Low-pH compound
• Test or rock lead-in
• Sulphuric, for one
• Durer supplies
• Litmus test materials
• It has a pH below 7
• Rock type
• Sulfuric substance