Inhaltsstoffe von WPR-Mitteln
Authored by Jan Neuhaus
Biology
Professional Development
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23 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Abrasiva?
sind wasserunlösliche Schleifpartikel
enthalten z. B. Quarzmehl
dienen der mechanischen Reinigung
sind Stark alkalisch
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ein pH-Wert von 4 ist?
sauer
basisch
alkalisch
neutral
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Ein pH-Wert von 9 ist?
alkalisch
basisch
sauer
neutral
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Alkalien?
sind baisch
wirken in hohen Konzentrationen ätzend
Natriumhydroxid
Essigsäure
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Säuren?
haben einen niedrigen pH-Wert
wirken reizend / ätzend
Ameisenäure
Natriumhydroxid
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Alkohole
enden auf -ol
sind bipolar
sind gute Lösungsmittel
verdunsten schnell
Propan
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Ätherische Öle
sind wasserunlöslich
dienen in WPR als Pflegemittel (Holz, Leder)
dienen der Produktästhetik und Identität
sind wasserlöslich
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