Q169. What is the typical volume ratio of concentrated hydrochloric acid (HCl) to concentrated nitric acid (HNO3) in the mixture known as aqua regia?Chemistry — Nust Mock By Dogers 1 — Question 169 of 200A. 1:3B. 3:1C. 1:1D. 2:1Practice more Chemistry MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →