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Chemical Equations & Balancing

Authored by Tracy Perun

Chemistry

11th Grade

Used 1+ times

Chemical Equations & Balancing
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38 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

PCl5 + ___ H2O → ___ HCl + H3PO4

4, 5

1, 6

3, 8

2,2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Mg  +  ___ HCl  →   MgCl2  +   H2

1
2
3
4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Number of C's in 2Na₂CO₃

1
2
3
5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The number of Na's in Na₂CO₃

1
2
3
6

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many total atoms are in the compound C2H8O ?

11
2
8
1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Name the part in red:

H2 + O2 -> H2O

Coefficient
Product
Yield
Subscript

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Is the following equation balanced or unbalanced ? 
Al + O2 --> Al2O3

Balanced
Unbalanced

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