Rigorous and Conclusive Check, Like Assessing Gold
This page is the CodyCross answer for the clue below from Art Museum, Group 738, Puzzle 5 (Collaborations).
Question is: Rigorous and Conclusive Check, Like Assessing Gold
and the answer is: ACIDTEST
Word Meaning:
ACID TEST — (chemistry) A test involving the reaction of an acid with another chemical.
Definitions from Wiktionary.