Roztwory wodne - klasa 2

Quiz
•
Chemistry
•
9th Grade
•
Medium
Piotr Sznajderowicz
Used 13+ times
FREE Resource
19 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Które związki chemiczne mogą ulegać dysocjacji etapowej ( zaznacz wszystkie odpowiedzi)
HCl
HNO3
H2CO3
H3PO4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Skrócony jonowy zapis przebiegu reakcji zobojętniania ma postać:
H- + OH+ → H2O
H2O → H+ + OH-
H+ + OH- → H2O
H2O → H - + OH+
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
W roztworze o pH=5 stężenie kationów wodoru jest:
takie samo jak anionów wodorotlenkowych
mniejsze niż anionów wodorotlenkowych
wyższe niż anionów wodorotlenkowych
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wybierz wzór sumaryczny i nazwę kwasu, który został wprowadzony do zlewki z wodą.
kwas fosforowy (II) H2PO2
kwas fosforowy (V) H3PO4
kwas fosforowy (IV) H4PO4
kwas fosforowy (III) H3PO3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
K2SO4 dysocjuje na:
2 K+ i SO42-
K2+ i SO42-
2 K+ i 4 SO2-
K+ i SO4-
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fenoloftaleina w roztworze o pH = 8 jest:
bezbarwna
niebieska
malinowa
czerwona
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dokończ reakcję: HCl+KOH->
KCl
KCl+H2O
K2Cl+H2O
KCl2+H2O
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