Balancing chemical equations 10th - 11th Grade Quiz

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22 questions

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1.

MULTIPLE CHOICE

1 min • 1 pt

What is the Law of Conservation of Mass?

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

2.

MULTIPLE CHOICE

1 min • 1 pt

What is a coefficient?

3.

MULTIPLE CHOICE

2 mins • 1 pt

What coefficient should be used to make the following equation balanced?
N₂+O₂--> _NO

Tags

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE

1 min • 1 pt

How many Sodium (Na) atoms are in 6NaCl?

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE

1 min • 1 pt

How many Hydrogen atoms are in 4H₂O?

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE

2 mins • 1 pt

How many Mn atoms are found in the following when the coefficient is applied? 3Cr(MnO₄)₆

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE

3 mins • 1 pt

Which problem is balanced?
(Check ALL answers)

Tags

NGSS.MS-PS1-5

8.

MULTIPLE CHOICE

2 mins • 1 pt

How many HCl molecules do you need to balance this equation?
Mg + __HCl ---> MgCl₂ + H₂

Tags

NGSS.MS-PS1-5

9.

MULTIPLE CHOICE

2 mins • 1 pt

Is this balanced?
Al + O₂ → 2Al₂O₃

Tags

NGSS.MS-PS1-5

10.

MULTIPLE CHOICE

2 mins • 1 pt

Balance this equation

_Al +_HCl --> _H₂+_AlCl₃

Tags

NGSS.MS-PS1-5

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