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pyn · 04-04-2008, 05:33 PM

i passed locals and made it to the nationals one

but the previous tests seem harder than the local one... i have zumdahl chemistry book, but it's not much use...

any advice on resources to use?

04-04-2008, 05:33 PM	#163
pyn Junior Member Join Date: Dec 2007 Posts: 106	i passed locals and made it to the nationals one but the previous tests seem harder than the local one... i have zumdahl chemistry book, but it's not much use... any advice on resources to use?