Balancing Equations Quiz
3 years ago
mrsimpson
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• Question 1
300 seconds
Q. Balance this equation...
HgO --> 2Hg + O2
It is balanced
2HgO --> Hg + O2
2HgO --> 2Hg + O2
• Question 2
300 seconds
Q.

Balance this equation...

Sb2S3 + O2 --> Sb + SO2

It is balanced

Sb2S3 + 3O2 --> 2Sb + 3SO2

Sb2S3 + O2 --> 2Sb + SO2

What is Sb?

• Question 3
300 seconds
Q.

Which of the following is an unbalanced equation?

CaCO3 --> CaO + CO3

PbO2 + 2H2-->2Pb + H2O

2Na+ 2H2O-->2NaOH + H2

CS2 + 2O2 --> CO2 + 2SO2

• Question 4
300 seconds
Q. Which of the following shows the correct way to balance the chemical equation?
Fe + O2 -> Fe2O3
4Fe + 3O2 -> 2Fe2O3
2 Fe + 3O2 -> Fe2O6
4 Fe + O6 -> 2Fe2O3
None of the options are correctly balanced.
• Question 5
300 seconds
Q.

Which of the following correctly balances this equation:

Sodium phosphate and potassium hydroxide will produce sodium hydroxide and potassium phosphate.

1 Na3PO4+3 KOH

--->

3 NaOH + 1 K3PO4

2 Na3PO4+2 KOH

--->

3 NaOH + 1 K3PO4

1 S3PO4+3 SOH

--->

3 SOH + 1 K3PO4

3 Na3P+3 KO2H

--->

3 NaH2O + 1 K3P

• Question 6
300 seconds
Q.

Which of the following is correctly balanced for the following reaction:

Barium sulfide and platinum (II) fluoride will react to yield barium fluoride and platinum (II) sulfide

BaS + PtF2 ---> BaF2 + PtS

4 BaS + 2 PtF2 ---> BaF2 + PtS

BaSO3 + 2 PtFl2 ---> 2 BaFl2 + 2 PtSO3

BaS + Pt2F ---> BaF2 + PtS2

• Question 7
300 seconds
Q.

What coefficient belongs with hydrochloric acid?

Mg + ___ HCl → MgCl2 + H2

1

2

3

4

• Question 8
60 seconds
Q. Balance this equation:
2Li + Cl2 -> LiCl
2Li + Cl2 -> 4LiCl2
2Li + Cl2 -> LiCl2
2Li + Cl2 -> 2LiCl
• Question 9
300 seconds
Q.

This picture of a football is here for no reason.

Click CONTINUE to move on.

CONTINUE

What if I don't like football?

• Question 10
180 seconds
Q.

Which coefficients will correctly balance this equation:

_Al +_HCl --> _H2 +_AlCl3

2, 6, 3, 2

4, 12, 3, 4

2, 1, 4, 5

• Question 11
180 seconds
Q.

Choose the coefficients that will correctly balance this equation.

_CH4 + _O2 --> _CO2 + _H2O

1,2,1,1

2,1,2,1

1,2,1,2

0,2,0,2

• Question 12
30 seconds
Q. What is the left part of a chemical equation called...
H2 + O --> H2O