Practice: Chemical Equations

Practice: Chemical Equations

9th - 12th Grade

85 Qs

quiz-placeholder

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Practice: Chemical Equations

Practice: Chemical Equations

Assessment

Quiz

Chemistry

9th - 12th Grade

Medium

Created by

David Wilson

Used 1+ times

FREE Resource

85 questions

Show all answers

1.

DRAG AND DROP QUESTION

3 mins • 1 pt

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

2Mg + ​ (a)   HCl ---> 2MgCl2 + 2H2

4
1
2
3

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What coefficient should be used to make the following equation balanced?

N2+O2--> __?__NO

1

2

3

4

3.

DRAG AND DROP QUESTION

3 mins • 1 pt

3
2

4.

DRAG AND DROP QUESTION

3 mins • 1 pt

Balance this equation ​ (a)   N+ ​ (b)   H--> ​ (c)   NH3

1
3
2

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Balance this equation. _CF+ _Br→ _CBr+ _F2

3,1,2,1

1,2,1,2

2,2,2,2

6.

DROPDOWN QUESTION

3 mins • 1 pt

According to the Law of Conservation of Mass (Matter), Matter cannot be ​ (a)   or ​ (b)   , it can only be ​ (c)   . This means however many atoms of an element we have before a reaction must be ​ (d)   to the number after a reaction.

created
destroyed
changed
equal

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the total number of atoms present in 5Na3PO4
5
40
55
8

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