Prawo stałości składu
Quiz
•
Chemistry
•
7th - 8th Grade
•
Practice Problem
•
Hard
Agnieszka Półchłopek
Used 170+ times
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7 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Wskaż wzór siarczku boru
BS
B3S2
B2S3
B3S6
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Wskaż wzór chlorku miedzi (II)
CuCl2
Cu2Cl
Cu2Cl7
Cu7Cl2
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Jeśli we wzorze chemicznym siarka jest VI wartościowa a tlen II wartościowy, to właściwy wzór przedstawia
S6O2
S2O6
SO
SO3
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Oblicz stosunek masowy siarki do tlenu w związku SO2
1 / 1
1 / 2
2 / 1
1 / 4
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Oblicz skład procentowy sodu i tlenu w związku Na2O
74,2% Na i 25,8 % O
70,3 % Na i 29,7 % O
68,5 % Na i 31,5 % O
76, 4% Na i 23,6 % O
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Oblicz skład procentowy fosforu i tlenu w związku P4O10
46,43 % P i 53,57 % O
43,66 % P i 56,34% O
31,15 % P 68,85 % O
24,68 % P i 75,32 % O
7.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Ustal wzór chlorku rtęci HgxCly wiedząc, że stosunek masowy Hg do Cl wynosi 20 / 7
Hg Cl
Hg Cl2
Hg2Cl2
Hg2Cl3
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