Which solution or reagent can dissolve gold and platinum?
A. Conc. H2SO4
B. Conc. HCl
C. Conc. HNO3
D. Aqua regia
Answer:D
Which solution or reagent can dissolve gold and platinum?
A. Conc. H2SO4 B. Conc. HCl C. Conc. HNO3 D. Aqua regia