1.

One of the following is used to dissolve noble metals. That is

Answer» <html><body><p> Aqua <a href="https://interviewquestions.tuteehub.com/tag/regia-2982825" style="font-weight:bold;" target="_blank" title="Click to know more about REGIA">REGIA</a></p><br/><br/><p>Aqua regia is a mixture of concentrated hydrochloric acid and <a href="https://interviewquestions.tuteehub.com/tag/nitric-1118252" style="font-weight:bold;" target="_blank" title="Click to know more about NITRIC">NITRIC</a> acid in the ratio of 3:1, and can <a href="https://interviewquestions.tuteehub.com/tag/dissolve-432057" style="font-weight:bold;" target="_blank" title="Click to know more about DISSOLVE">DISSOLVE</a> noble metals <a href="https://interviewquestions.tuteehub.com/tag/like-1073845" style="font-weight:bold;" target="_blank" title="Click to know more about LIKE">LIKE</a> gold.</p></body></html>


Discussion

No Comment Found