Balancing equations and chemical reactions.

Balancing equations and chemical reactions.

9th - 12th Grade

21 Qs

quiz-placeholder

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Balancing equations and chemical reactions.

Balancing equations and chemical reactions.

Assessment

Quiz

Other

9th - 12th Grade

Medium

Created by

Pamela Phillips

Used 23+ times

FREE Resource

21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The equation below represents an unbalanced chemical reaction. When the equation is balanced, which coefficient should be placed before NaCl?


NaI + Cl2 → NaCl + I2

2

3

4

5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is a correctly balanced chemical equation?

CuCl2 + Al → AlCl3 + 2Cu

2CuCl2 + 3Al → AlCl3 + 3Cu

3CuCl2 + 2Al → 2AlCl3 + 3Cu

2CuCl2 + Al → AlCl3 + 2Cu

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The equation below represents a balanced chemical reaction. Which type of chemical reaction is represented?

BaCl2 + MgSO4 → BaSO4 + MgCl2

double replacement

single replacement

decomposition

synthesis

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the coefficient of iron when the following chemical equation is balanced?


Fe + Cl2 →FeCl3

1

2

3

4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is a decomposition reaction?

2H2O → 2H2 + O2

Mg + 2HCl → MgCl2 + H2

2Cu + O2 → 2CuO

HCl + NaOH → NaCl +H2O

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a chemical reaction, what is the relationship between the total mass of atoms for reactants and the total mass of atoms products?

They must be equal.

The mass of the products must be greater.

The mass of the reactants must be greater.

There is no general relationship between the two.

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the general form for a single-replacement reaction?

AB+ CD → AD + CB

AB → A + B

A + B → AB

A + BC → AC + B

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