Balancing Chemical Equations Quiz

Balance this equation:

​ (a)   Fe + ​ (b)   O₂ --> ​ (c)   Fe₂O₃

• 4
• 3
• 2

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

How many HCl molecules do you need to balance this equation?

2Mg + ​ (a)   HCl ---> 2MgCl₂ + 2H₂

• 4
• 2

Tags

NGSS.MS-PS1-5

Balance this equation ​ (a)   N₂ + ​ (b)   H₂ --> ​ (c)   NH₃

• 1
• 3
• 2

Tags

NGSS.MS-PS1-5

In 3P₂O₅, there are ​ (a)   phosphorus (P) atoms and ​ (b)   oxygen (O) atoms.

• 6
• 15

Tags

NGSS.MS-PS1-1

Balance the following reaction:

​ (a)   NaI + ​ (b)   Pb(SO₄)₂ → ​ (c)   PbI₄ + ​ (d)   Na₂SO₄

• 4
• 1
• 2

Tags

112.43.c.9.C

Balance the following reaction:

​ (a)   C + ​ (b)   H₂ → ​ (c)   C₃H₈

• 3
• 4
• 1

Tags

112.43.c.9.C

In a chemical equation, a ​ (a)   is a number that shows how many atoms of an element are in a particle of a compound, while a ​ (b)   is a number that tells you how many particles of that compound you have.

• subscript
• coefficient

Tags

NGSS.MS-PS1-5

Drag the correct coefficients to balance the following chemical equation:

​ ​ (a)   SnCl₄ + (b)   Fe -----> ​ (c)   SnCl₂ + ​ (d)   FeCl₃

• 3
• 2

Tags

NGSS.MS-PS1-5

What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__AgNO₃ + __H₂S --> __Ag₂S+ __HNO₃

• 2,1 --> 1,2
• 1,2 --> 1,1

Tags

NGSS.MS-PS1-5

To balance a chemical equation, it may be necessary to adjust the​ (a)  

• coefficent
• subscript