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3 - Bilanciamento delle reazioni chimiche

Authored by alessandra zanchin

Chemistry

8th Grade

Used 39+ times

3 - Bilanciamento delle reazioni chimiche
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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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