Konkurs VIII
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Melissa Fredrych
Used 18+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jak nazywa się kwas o wzorze H2SO4?
kwas siarkowy (VI)
kwas siarkowy (IV)
kwas siarkowodorowy
kwas siarkowy (V)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Który gaz jest głównym składnikiem gazu ziemnego?
etan
metan
tlenek węgla (IV)
tlenek węgla (II)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Który pierwiastek występuje w postaci cząsteczki dwuatomowej?
węgiel
siarka
wodór
sód
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaki produkt powstaje w wyniku spalania całkowitego?
tlenek węgla (II)
węgiel
tlenek węgla (IV)
tlen
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CnH2n+2 to wzór ogólny..
alkoholi
alkanów
alkenów
alkinów
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jak nazywa się reakcja, w której zasada reaguje z kwasem?
spalanie całkowite
spalanie niecałkowite
zobojętnianie
strącanie
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jak nazywa się sól o wzorze Na2SO3?
siarczek sodu
siarczan (VI) sodu
siarczan (VI) sodu (II)
siarczan (IV) sodu
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