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Balancing Equations

Authored by B Paes

Chemistry

6th - 8th Grade

NGSS covered

Used 81+ times

Balancing Equations
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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which side of a chemical equation is the product side?

Left (before the yields sign)

Right (after the yields sign)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a coefficient?

The small number on the right of the chemical symbol.
The large number to the left of a formula.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A replacement occurs when...

Two formulas combine.
A formula breaks apart.
An atom is replaced during a reaction.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Decomposition occurs when...

Two formulas combine.
A formula breaks apart.
An atom is replaced during a reaction.

Tags

NGSS.MS-PS1-5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A synthesis occurs when...

Two formulas combine.
A formula breaks apart.
An atom is replaced during a reaction.

Tags

NGSS.MS-PS1-5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which side of a chemical equation is the reactant side?

Left (before the yields sign)
Right (after the yields sign)

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which problem is balanced?

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

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

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