
3 - Bilanciamento delle reazioni chimiche
Authored by alessandra zanchin
Chemistry
8th Grade
Used 39+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
INDICA IL BILANCIAMENTO CORRETTO:
Cu2O + H2O => CuOH
1, 1 - 2
2, 1 - 2
2, 2 - 1
1, 2 - 2
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
INDICA IL BILANCIAMENTO CORRETTO:
NO + CO => CO2 + N2
2, 2 - 2, 1
2, 1 - 2, 1
1, 2 - 2, 2
1, 2 - 1, 1
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
INDICA IL BILANCIAMENTO CORRETTO:
H2S + O2 => H2O + SO2
3, 3 - 2, 2
2,2 - 3, 2
2, 3 - 2, 2
1, 3 - 2, 1
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
INDICA IL BILANCIAMENTO CORRETTO:
Na + O2 => Na2O
4, 1 - 2
4, 2 - 1
1, 4 - 2
1, 2 - 4
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
INDICA IL BILANCIAMENTO CORRETTO:
Ca(OH)2 + HF => CaF2 + H2O
2, 2 - 1, 1
1, 1 - 2, 2
2, 1 - 2, 1
1, 2 - 1, 2
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
INDICA IL BILANCIAMENTO CORRETTO:
Na2SO4 + Ba(NO3)2 => NaNO3 + BaSO4
2, 2 - 2, 1
1, 1 - 2, 1
1, 2 - 2, 1
1, 1 - 1, 2
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
INDICA IL BILANCIAMENTO CORRETTO:
NH3 + O2 => N2 + H2O
3, 4 - 2, 6
2, 3 - 2, 3
4, 3 - 2, 6
1, 2 - 2, 6
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