Balancing Chemical Equations

Balancing Chemical Equations

7th - 8th Grade

12 Qs

quiz-placeholder

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Balancing Chemical Equations

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7th - 8th Grade

12 Qs

Balancing Chemical Equations

Balancing Chemical Equations

Assessment

Quiz

Science

7th - 8th Grade

Hard

NGSS
MS-PS1-5, MS-PS1-1, MS-PS1-2

Standards-aligned

Created by

Charles Martinez

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following equations is balanced?

H2 + O2 → H2O

2H2 + O2 → H2O

2H2 + O2 → 2H2O

H2 + O2 → 2H2O

Tags

NGSS.MS-PS1-5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the general form of a chemical equation?

Reactants = Products

Products → Reactants

Reactants → Products

Reactants + Products

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

All chemical equations must be balanced?

True

False

Tags

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A chemical equation is balanced when the number of each type of ______ is the same on both sides of the equations.

Molecule

Atom

Element

Coefficient

Tags

NGSS.MS-PS1-5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following rules should you follow to balance chemical equations?

Use the smallest possible subscripts

Add coefficients as needed

Change only the subscripts

All of the above

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which coefficient placed before HCI will balance the following equation? Zn+HCl→ZnCl2 + H2

3

4

2

None of the above

Tags

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Is this equation balanced? 2 H2 + O2 → 2 H2O

True

False

Tags

NGSS.MS-PS1-5

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