Severe trial |
Critical step |
Crucial trial |
Ultimate proof |
Proof provider |
Moment of truth |
Chemistry exam? |
Conclusive trial |
Decisive appraisal |
Crucial experiment |
Defining challenge |
Litmus-paper ritual |
Decisive assessment |
Decisive experiment |
Critical evaluation |
Conclusive evaluation |
Merry Prankster party |
Credibility determiner |
Chemical moment of truth |
Moment of truth, in a lab |
Critical step in analysis |
Crucial, final proof of quality. |
It distinguishes gold from base metals |