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.

Rigorous And Conclusive Check, Like Assessing Gold - Art Museum CodyCross Answers | CodyCross Solutions