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Chemical reactions

Authored by Jana Bollen

Chemistry

8th Grade

NGSS covered

Used 79+ times

Chemical reactions
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28 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

_P4+_O  _P2O3

3 P4+1 O→ 2 P2O3
1 P4+1 O→ 2 P2O3
1 P4+ 3 O→ 2 P2O3
1 P4+ 2 O→ 3 P2O3

Tags

NGSS.MS-PS1-5

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

_AgNO3 + _Cu _Cu(NO3)2 + _Ag

2 AgNO3 + 2 Cu → 3 Cu(NO3)2 + 1 Ag
2 AgNO3 + 1 Cu → 1 Cu(NO3)2 + 2 Ag
1 AgNO3 + 2 Cu → 2 Cu(NO3)2 + 1 Ag
3 AgNO3 + 2 Cu → 3 Cu(NO3)2 + 2 Ag

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

__Al + __Fe3N2 -->__AlN + __Fe

already balanced
4,2,4,6
2,1,2,3
1,2,1,3

Tags

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

__Na + __Cl2 --> __NaCl

1,1,2
2,1,2
2,1,1
already balanced

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

__H2O2 --> __H2O + __O2

already balanced
2,1,1
2,2,1
2,1,2

Tags

NGSS.MS-PS1-5

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

__C6H12O6 + __O2 --> __H2O + __CO2

1,6,6,6
already balanced
1,6,1,6
2,12,12,12

Tags

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

__H2O + __CO2 --> __C7H8 + __O2

4,7,1,9
4,7,1,7
2,3,1,3
already balanced

Tags

NGSS.MS-PS1-5

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