Quiz about Interpreting Chemical Equations

Question 1

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

Accepted Answer

Products

Answer

Yields

Answer

Reactants

Answer

Precipitates

Question 2

CaCO3

Accepted Answer

Formula

Answer

Symbol

Answer

Subscript

Answer

Reaction

Question 3

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

Accepted Answer

Reactants

Answer

Products

Answer

Coefficients

Answer

Precipitates

Question 4

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

Accepted Answer

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

Accepted Answer

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

Accepted Answer

$$2Fe+3O_2\ \rightarrow\ 2Fe_2O_3$$

Answer

Question 5

Given this chemical equation. what are the reactants?

$$C_2H_6\ +5O_2\ \rightarrow\ 2CO_2\ +3H_2O_2$$

Accepted Answer

$$C_2H_6\ and\ 5O_2$$

Answer

$$2CO_2\ and\ 3H_2O_2$$

Question 6

Given this chemical equation, what are the products?

$$C_2H_6\ +\ 5O_2\ \rightarrow\ 2CO_2\ +3H_2O_2$$

Accepted Answer

$$2CO_2\ and\ 3H_2O_2$$

Answer

$$C_2H_6\ and\ 5O_2$$

Question 7

The formula represents the breakdown of a metal into rust.

What elements are involved in this reaction? Check all that apply.

$$4Fe\ +\ 3O_2\ \rightarrow\ 2Fe_2O_3$$

Accepted Answer

Iron

Accepted Answer

Oxygen

Answer

Carbon

Answer

Nitrogen

Question 8

Select the products in the following chemical formula

$$CH_4\ +\ 2O_2\ \rightarrow\ CO_2\ +\ 2H_2O$$

Accepted Answer

Accepted Answer

Answer

Answer

Question 9

Select the reactants in the following chemical formula

$$CH_4\ +\ 2O_2\ \rightarrow\ CO_2\ +\ 2H_2O$$

Accepted Answer

Accepted Answer

Answer

Answer

Question 10

What are the products?

Accepted Answer

Answer

$$N_2\ +\ H_2$$

Question 11

What are the reactants?

Accepted Answer

$$N_2\ +\ H_2$$

Answer

Question 12

What is the left part of a chemical equation called?

Accepted Answer

Reactant

Answer

Products

Answer

Yields

Answer

Chemical Equation

Question 13

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

Accepted Answer

2H2O

Answer

---->

Answer

2H₂ + O₂

Question 14

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

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 15

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

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 16

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

Accepted Answer

Reactants

Answer

Products

Question 17

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

Accepted Answer

Products

Answer

Reactants

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