Aquaregia used by goldsmiths is made by mixing the following:
A. nitric acid and sulfuric acid
B. nitric acid and hydrochloric acid
C. sulphuric acid and hydrochloric acid
D. acetic acid and benzoic acid
Answer:B
Aquaregia used by goldsmiths is made by mixing the following:
A. nitric acid and sulfuric acid B. nitric acid and hydrochloric acid C. sulphuric acid and hydrochloric acid D. acetic acid and benzoic acid