
obliczanie pH
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
Beata Makarska
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Oblicz pH wodnego roztworu Ba(OH)2 o stężeniu 0,05 mol/dm3
1
13
12
8
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Do 100 ml 0,1 molowego roztworu wodorotlenku sodu dodano 900 cm 3 wody. Oblicz jak zmieniło się pH roztworu?
wzrosło o 1
zmalało o 1
nie zmieniło się
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Oblicz pH roztworu pewnego kwasu jednoprotonowego o stężeniu 0,1 mol/dm3 i stałej dysocjacji K=1,0* 10-4
2,5
1,5
2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Jaki odczyn oznacza wartość 10 na skali pH?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Roztwór o pH=4 ma odczyn
obojętny
kwasowy
zasadowy
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Najwyższą kwasowość wykazuje roztwór o pH
3
10
7
5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Najwyższą zasadowość wykazuje roztwór o pH:
5
8
10
14
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