Free Printable SM - Reading Chemical Equations

1.

The substances listed on the right side of a chemical equation are the

a)

Yields

b)

Reactants

c)

Products

d)

Precipitates

2.

CaCO₃ represents a chemical

a)

Symbol

b)

Formula

c)

Subscript

d)

Reaction

3.

The substances listed on the left side of a chemical equation are the

a)

Products

b)

Coefficients

c)

Precipitates

d)

Reactants

4.

Which of the following represent chemical equations? Check all that apply.

a)

$2Na\ +\ H_2O\ \rightarrow\ 2NaOH\ +\ H_2$

b)

$2KClO_3\ \ \rightarrow\ 2KCl\ +\ 3O_2$

c)

$2Fe\ +\ 3O_{2\ }\rightarrow\ 2Fe_2O_3$

d)

$2H_2O$

e)

$3O_3\ ,\ H_2O$

5.

$C_2H_6\ +\ 5O_2\ \rightarrow\ 2CO_2\ +\ 3H_2O_2$
Given this chemical equation, what are the REACTANTS?

a)

$C_2H_{6\ }and\ 5O_2$

b)

$2CO_2\ and\ 3H_2O_2$

6.

$C_2H_6\ +\ 5O_2\ \rightarrow\ 2CO_2\ +\ 3H_2O_2$
Given this chemical equation, what are the PRODUCTS?

a)

$C_2H_{6\ }and\ 5O_2$

b)

$2CO_2\ and\ 3H_2O_2$

7.

The formula shown here represents the breakdown of a metal into rust. What elements are involved in this reaction? Check all that apply. $4Fe\ +\ 3O_2\ \rightarrow\ 2Fe_2O_3$

a)

Iron

b)

Oxygen

c)

Carbon

d)

Nitrogen

8.

Select the bonds that are the products in the following chemical formula: $CH_{4\ }+2O_2\ \rightarrow\ CO_2+\ 2H_2O$

a)

$2H_2O$

b)

$2O_2$

c)

$CH_4$

d)

$CO_2$

9.

Select the bonds that are the reactants in the following chemical formula: $CH_{4\ }+2O_2\ \rightarrow\ CO_2+\ 2H_2O$

a)

$2H_2O$

b)

$2O_2$

c)

$CH_4$

d)

$CO_2$

10.

In the equation shown, what are the product(s)?

a)

N₂+ H₂

b)

NH₃

11.

In the equation shown, what are the reactant(s)?

a)

N₂+ H₂

b)

NH₃

12.

What are the products of the chemical reaction pictured?

a)

CH₄ and CO₂

b)

CH₄ and O₂

c)

CO₂ and H₂O

d)

O₂ and H₂O

13.

Consider the chemical equation CH₄ + 2 O₂ → CO₂ + 2 H₂O. In this equation, CH₄ is a

a)

product

b)

reactant

c)

displacement

14.

What is the left part of a chemical equation called?
H_{2 +}O → H₂O

a)

Reactants

b)

Products

c)

Yields

d)

Chemical Equation

15.

2H₂ + O₂ ----> 2H₂O What is the product?

a)

------>

b)

2H₂O

c)

2H₂+ O₂

16.

How many reactants are in A + B ---> C ?

a)

1

b)

2

c)

3

d)

4

17.

How many products are in A + B ---> C ?

a)

1

b)

2

c)

3

d)

4

18.

In a chemical reaction, bonds are broken and new bonds are formed. Which has their bonds broken?

a)

Reactants

b)

Products

19.

In a chemical reaction, bonds are broken and new bonds are formed. Which has new bonds formed?

a)

Reactants

b)

Products

20.

What part of the equation does the #1 represent?

a)

product

b)

produces/yields

c)

solid

d)

reactant

21.

The two (2) is indicating _________.

a)

subscripts

b)

reactants

c)

coefficients

d)

aqueous

22.

The three (3) indicates which part?

a)

reactants

b)

products

c)

equation

d)

formulas

23.

Number seven (7) is indicating ____ of the equation.

a)

reactants

b)

products

c)

equation

d)

formulas

SM - Reading Chemical Equations

Total questions: 23

Worksheet time: 12mins

Similar Resources on Wayground