Seven known solutions are mixed into any of 21 possible combinations, then observed. Stresses the importance of proper lab procedures, and strengthens student observation skills.
Includes:
12 LAB-AIDS® Chemplates® w/spatula; 2 drop controlled btls each of hydrochloric acid, sodium carbonate, sodium hydroxide, potassium chromate, calcium chloride, sodium sulfite, copper sulfate and “unknown” solution; 50 student worksheets and guides; 1 instruction manual with MSDS.