
Odczyn i skala pH
Authored by Sylwia Siwiec
Chemistry
1st - 6th Grade
Used 80+ times

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18 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jakie jest pH roztworu kwasu o stężeniu jonów wodorowych 0,0000056 mol/dm3.
1,4
5,25
6,03
8,1
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jakie jest pOH roztworu wodorotlenku sodu o stężeniu jonów wodorotlenkowych równym 0,00098.
3
4
11
9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaki odczyn ma ślina człowieka?
Obojętny
Lekko kwasowy
Zasadowy
Lekko zasadowy
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na jaki kolor zabarwi się fenoloftaleina w roztworze silnej zasady?
pomarańczowy
malinowy
czerwony
zielony
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaki mamy odczyn jeżeli stężenie jonów H+ jest większe niż stężenie jonów OH-?
zasadowy
kwasowy
obojętny
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na jaki kolor zabarwi się oranż metylowy w roztworze soku cytryny?
czerwony
malinowy
pomarańczowy
nie zabarwi się
7.
OPEN ENDED QUESTION
3 mins • Ungraded
Co to są wskaźniki kwasowo-zasadowe?
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