Obliczenia chemiczne
Authored by Pyzik Aleksandra
Chemistry
1st - 10th Grade
Used 11+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Masa cząsteczkowa wody to
18g
18u
16g
16u
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wzór tlenku siarki (VI) to:
SO2
SO3
OS2
SO
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Stosunek masowy węgla do tlenu w związku o wzorze CO2 wynosi:
mC:mO = 12:16
mC:mO = 3:4
mC:mO = 3:8
mC:mO = 8:3
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Wzór tlenku glinu to:
AlO
Al2O4
Al3O2
Al2O3
5.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
Napisz wzór chlorku potasu
(a)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Masowa zawartość procentowa siarki w siarczku sodu to:
59%
42%
26%
67%
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Symbol chemiczny ołowiu to:
Oł
Pw
Pt
Pb
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