Phương trình Hoá học
Authored by MyHan Ly
Chemistry
6th - 8th Grade
Used 8+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
3Fe + 2O2->
Fe3O4
Fe3O2
Feo
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Fe+O2->?
(a)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
S+O2->
SO2
SO3
SO
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Zn + HCl->
(a)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
P + 02 -> ?
4P + 5O2-> 2P2O5
4P + 5O2-> 2P2O3
4P2 + 5O2-> 2P2O5
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Mg + HCl ->
(a)
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Fe + H2SO4 -> ?
(a)
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