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Química

Authored by Jacqueline Martínez

Chemistry

6th - 8th Grade

Used 3+ times

Química
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39 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

En el ácido sulfúrico H2SO4 el hidrógeno trabaja con ____ el S con _____ y el oxígeno con -2.

+1, +6

+1, -6

+1,+4

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

En base a los números de oxidación que determinaste, que sustancia se oxida? NiS+O3-->NiO +SO2

Ni

S

O

NiS

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

En base a los números de oxidación que determinaste, que sustancia se reduce? NiS + O3 --> NiO + SO2

Ni

S

O

SO2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El número de oxidación del oxígeno es:

+1

-1

+2

-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El número de oxidación del hidrógeno es:

+1

+2

-2

0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

+1

-2

+4

-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La regla del octeto se basa en

completar 8 electrones

completar 7 electrones

completar 8 protones

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