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Chemical Equations

Authored by Joshua Thompson

Chemistry

11th Grade

NGSS covered

Used 8+ times

Chemical Equations
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40 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the part of the chemical equation in green called? 
Fe + S --> FeS

products
reactants
yield
chemical formula

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the little number after an element in a chemical equation called.
Example: H2

Coefficient 
Subscript
Atom
Equation

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

1
2
3
4

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which problem is balanced?
(Check ALL answers)

PbO2 + 2H2
SO2 + H20 --> H2SO4
2Na + 2H2O --> 2NaOH + H2

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How many elements are in C6H12O6?

1
2
3
4

Tags

NGSS.HS-LS1-6

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

1
2
3
4

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Is this balanced?
Al + O2 → 2Al2O3

Yes
No

Tags

NGSS.HS-PS1-7

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