Added: 9 months ago
From: StanleyIC
Views: 1,656
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  • are u sponsoring mcdo or coca?

  • the water should go for chemical test and not only by using our eyes to differentiate it. many chemical agent could dissolves in hot water and hence, no obvious colour u can observe. for an undergraduate student, this is what i can comment, anyway...thx for sharing too~ ^^ ITS BETTER TO FOLLOW THE INSTRUCTION GIVEN. ^.^

  • phil wickam is awesome! :D

  • Thanks, at least you proved something. I got 1 also. Thinking to do test also, now no need.

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