Aquaregia used by goldsmiths is made by mixing the following - – McqOptions

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1.	Aquaregia used by goldsmiths is made by mixing the following -
A.	nitric acid and sulfuric acid
B.	nitric acid and hydrochloric acid
C.	sulfuric acid and hydrochloric acid
D.	citric acid and benzoic acid
Answer» C. sulfuric acid and hydrochloric acid

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