We also make a home-made indicator out of hibiscus flowers. When they're out of season, or if you don't live in the tropics, then herbal teas containing hibiscus, such as a rose-hip and hibiscus tea, works really well and is very easy to prepare.
Smiley
Search found 1042 matches
- 20 Nov 2006, 10:12
- Forum: Chemistry and Labware - General
- Topic: Drano
- Replies: 10
- Views: 4476
- 20 Nov 2006, 10:03
- Forum: Biology, Physics...
- Topic: fixing ammeters and voltmeters
- Replies: 5
- Views: 3407
Renee, Chuck them out and buy digital multimeters from Dick Smith or just about anywhere. They simply show a negative reading if connected incorrectly, frequently cost less, and can be used as either ammeters or voltmeters, as required. I bought 2 sets, and spent some time educating my teachers on h...