Australia's Science Forum

Like Dee I have Shelves of 1 Litre bottles of solutions ready for use. Common ones Like HCl have 6M,3M,2M,1M x2, 0.1M x2 & 0.01M But all this would depend on usage/ your No of students I have 1150 students in YR's 11&12 in our school so often have 2 classes doing prac at same time. Best idea...

Most plastic bags are PVC, PVA is Poly Vynal Acetate I Think they might be oven bags Looked on side of box but did not state material

I don't think we have a choice in NSW, they are trying to get everyone on chemwatch to standardise all schools, so if fire brigade on way to school can log on to chemwatch whilist travelleing to the school site and know what they are dealing with. But the program is basically flawed when you can't u...

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I ground up Special k fakes run a magnet wrapped in gladwrap round in powder pulled it out had little specks of iron clinging to it

Your Na in Glass container filled with kero/parrifin is group 4 (Flammable solid) should be then kept in flameproof locker