Balancing Equations Quiz

Balance this equation...
HgO --> 2Hg + O₂

• It is balanced 
• 2HgO --> Hg + O₂
• 2HgO --> 2Hg + O₂

Tags

NGSS.MS-PS1-5

Balance this equation...

Sb₂S₃ + O₂ --> Sb + SO₂

• It is balanced

• Sb₂S₃ + 3O₂ --> 2Sb + 3SO₂

• Sb₂S₃ + O₂ --> 2Sb + SO₂

• What is Sb?

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is an unbalanced equation?

• CaCO₃ --> CaO + CO₃

• PbO₂ + 2H₂-->2Pb + H₂O

• 2Na+ 2H₂O-->2NaOH + H₂

• CS₂ + 2O₂ --> CO₂ + 2SO₂

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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.

Tags

NGSS.MS-PS1-5

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

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What coefficient belongs with hydrochloric acid?

Mg + ___ HCl → MgCl₂ + H₂

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-5

Balance this equation:
 2Li + Cl₂ -> LiCl

• 2Li + Cl₂ -> 4LiCl2
• 2Li + Cl₂ -> LiCl₂
• 2Li + Cl₂ -> 2LiCl

Tags

NGSS.MS-PS1-5

This picture of a football is here for no reason.

Click CONTINUE to move on.

• CONTINUE

• I don't follow directions.

• What if I don't like football?

• Is this for a grade?

Which coefficients will correctly balance this equation:

_Al +_HCl --> _H₂ +_AlCl₃

• 2, 6, 3, 2

• it is already balanced

• 4, 12, 3, 4

• 2, 1, 4, 5

Tags

NGSS.MS-PS1-5