
Quiz quimica

Quiz
•
Chemistry
•
6th - 8th Grade
•
Hard
Adelino Silva
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Formula química de Cloreto de sodio é.......
NaCl
NaOH
Na
Cl
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Massa molecula da CO2 é,,,,,,
44 g/mol
45 g/mol
46 g/mol
45g/mol
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
valor constanta de avogadro é
6,02 x 10²³ mol
60,4 x 10²³ mol
60,5 x 10²³ mol
60,6 x 10²³ mol
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
O valor PH normal é.....
7
8
6
5
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Numero atomo do He é.....
2
3
4
5
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