Powder (copper sulphate)

Powder (copper sulphate) is used in A Void Dance quest to analyse the sample found on the Wood shards.
 * When used with Blocks (iron oxide), Liquid (uric acid) is created.
 * When used with Liquid (uric acid), Blocks (iron oxide) is created.
 * When used with Gas vial (chlorine), there is an explosion that ends the analysis.

Trivia

 * Due to its blue colour, the powder must be CuSO4 ∙ 5 H2O. Only the pentahydrate form of copper sulphate is blue.