balancing review

balancing review

10th Grade

11 Qs

quiz-placeholder

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balancing review

balancing review

Assessment

Quiz

Chemistry

10th Grade

Hard

Created by

Jennifer Austin

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11 questions

Show all answers

1.

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

2.

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

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Balance this equation

_Al +_HCl --> _H2 +_AlCl3

2,6,3,2

it's already balanced

4,12,3,4

2,1,4,5

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Balance the following equation:

___ H2+ ___ O2→___ H2O

1, 1, 3

2, 2, 2

1, 2, 1

2,1, 2

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Balance the following equation:

___ Mg+ ___ O2→___ MgO

1, 1, 3

2, 1, 2

1, 2, 1

2, 2, 2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Balance this equation...
H2 + Cl2 --> HCl

It is balanced 
3H2 + Cl2 --> 6H2Cl
H2 + Cl2 --> 2HCl
I don't know! Oh well.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Law of Conservation of Matter

tells how many atoms of an element are contained in one molecule or formula unit.

the starting materials in a chemical reaction

the new substances that are formed in a chemical reaction

A law stating that atoms are not created or destroyed during a chemical reaction.

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