1. How is aqua regia made? (1)
a) 1 part nitric acid to 2 parts hydrochloric acid
b) 1 part nitric acid to 1 part hydrochloric acid
c) 2 parts nitric acid to 3 parts hydrochloric acid
d) 1 part nitric acid to 3 parts hydrochloric acid
Answers
Answered by
2
Answer:
Aqua regia is a mixture of three parts of concentrated hydrochloric acid and one part concentrated nitric acid. This ratio is molar ratio. Aqua regia is a yellow-orange fuming liquid. It can dissolve the noble metals gold and platinum.
Answered by
1
Answer:
(d) 1:3
Explanation:
d) 1part nitric acid to 3parts hydrochloric acid
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