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noble metals like au pt d...
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Noble metals like Au, Pt dissolve in a mixture of
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Aqua Regia means "Royal Water". Composition: \[ HNO_3:HCl = 1:3 \] It dissolves noble metals such as Au and Pt.
TS EAMCET - 2026
TS EAMCET
Updated On:
Jun 22, 2026
1 part of Conc. HCl + 1 part of $HNO_3$
1 part of Conc. $H_2SO_4$ + 1 part of $HNO_3$
1 part of Conc. $HNO_3$ + 3 parts of Conc. HCl
3 parts of Conc. $HNO_3$ + 1 part of Conc. HCl \bigskip
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The Correct Option is
C
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