Australia's Science Forum

Hi Maranda I've looked at it too now I'm back, both Lime water and the indicators are gross change indicators, by this I mean they will flip from one state to another very quickly as a rule, You are better to use a data logger and pH probe for something like this and you can overlay results on a cha...

Hi you can adjust the pH with a buffered base solution if you really want ph 7

Kim

Hi

If you heat them to red heat, generally most substances will be vapourised or at least greatly reduced to an ash where you can scrape it off easily

Kim

Hi Geraldine,

Contact me via the email address I post above and I'll send you my update document on the setup.

Kim

Hi WE do a vegetable dye Electrophoresis experiment for the year 12 forensic science activity. you can use household items to do it. the basic items are 5 litre container (cut in half) or tray and takeaway tray (to hold the agar in) , power supplies, leads, carbon rods (or graphite ) as the electrod...

Hi I've been through the University and Commonwealth research organisation over 20 plus years, then into private industry then back to a school situtation for the last 3 years, and been known by all these names. But the difference in the title was first if you were formally trained or not then the y...