Thames & Kosmos Chemistry C500 (Version 2.0) handleiding
Handleiding
Je bekijkt pagina 33 van 52
→
WHAT’S HAPPENING?
Washing
without lye
YOU WILL NEED
→ 1 test tube
→ measuring spoon
→ stopper
→ litmus solution
→ tartaric acid
→ liquid soap or shower gel
HERE’S HOW
1. In a test tube, mix 5 cm of water, 5 drops
of litmus solution, and 1 spoon tip of
tartaric acid.
2. Add 1 or 2 drops of liquid soap and mix
the solution.
Does the color change?
Safety Note: For tartaric acid, note the “Information
about hazardous substances” on page 7!
1
2
1
x
TARTARIC
ACID
5 CM
WATER
5
x
LITMUS SOLUTION
Unlike with the soap solution in
Experiment 9, you will get no blue color
here. Solutions of conventional soaps
have an alkaline effect due to the strong
lye used to make them. In modern liquid
soaps, on the other hand, strong alkalis
are balanced by strong acids.
Soap or Body Wash | 31
EXPERIMENT 16
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Productinformatie
| Merk | Thames & Kosmos |
| Model | Chemistry C500 (Version 2.0) |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 25520 MB |
