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Obliczenia chemiczne

Authored by Pyzik Aleksandra

Chemistry

1st - 10th Grade

Used 11+ times

Obliczenia chemiczne
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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:

Pw

Pt

Pb

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