Free Printable Word equations

Worksheets

Word equations

Total questions: 20

Worksheet time: 13mins

Name

Class

Date

Identify the product(s) in this word equation

Sodium

Sodium chloride

Sodium and Chlorine

Sodium and sodium chloride

In a word equation the REACTANTS

Are written on the right hand side of the arrow

Are produced in a chemical reaction

Are always the same

Are the substances that react together

The products in this reaction are?

Two solids

One solid and one gas

Three solids and a gas

Two solids and a gas

The new substances formed in a chemical reaction are called

Reactants

Atoms

Products

Reagents

What are the reactants in this word equation?

Carbon dioxide and oxygen

Carbon dioxide and water

Oxygen and glucose

Oxygen and water

In a chemical reaction...

New atoms are created

Atoms rearrange

Atoms are destroyed

Nothing Happens

In this chemical reaction zinc is a...

Product

Reactant

Neither

Magneisum reacts with oxygen to form magnesium oxide. The correct word equation is...

When a CHEMICAL reaction occurs, what is made?

No new substance is made.

A new substance is made with new atoms formed

A new substance is made, with existing atoms rearranged

All substances remain the same, but physical state may change.

10.

Sodium reacts with chlorine to produce sodium chloride. Choose the correct word equation.

sodium chloride → chlorine + sodium

sodium + carbon dioxide → sodium carbonate

sodium + chlorine → sodium chloride

11.

Iron reacts with sulfur to produce iron(II) sulfide. Choose the correct word equation.

iron + solid → iron sulfide

iron + sulfur → iron sulfide

iron sulfide+ iron→ sulfur

sulfur + iron sulfide → iron

12.

Choose 3 words or phrases that could be used to translate the (aq) symbol

water

aqueous

dissolved in water

liquid

solution

13.

What state of matter is this substance?

solid

liquid

gas

aqueous

14.

What state of matter is this substance?

solid precipitate

dissolved in water

released as a gas

liquid

15.

According to the chemical equation, which compound would form a precipitate?

Co(NO₃)₂

NaOH

NaNO₃

Co(OH)₂

16.

What does the symbol inside the circle mean?

"yields, or produces"

"dissolved in water"

"forms a precipitate"

"released as a gas"

17.

In a word equation, what should be used when writing the reactants and products?

Words only

A mixture of words and chemical symbols

Chemical symbols only

18.

Iron (a grey metal) reacts with sulfur (a smelly yellow solid) to produce iron sulfide (a black solid).

iron + sulfur $\rightarrow$ iron sulfide

iron + sulfur $\rightarrow$ iron sulfur

iron + sulfide $\rightarrow$ iron sulfide

iron + sulfur $\rightarrow$ iron sulfite

19.

Magnesium (a grey metal) can be burned in air to produce magnesium oxide (a white powder). Which is the correct word equation for the reaction that happens?

magnesium + oxygen $\rightarrow$ iron oxide

magnesium + air gases $\rightarrow$ magnesium oxide

magnesium + oxygen $\rightarrow$ magnesium oxide

magnesium + air gases $\rightarrow$ white powder

20.

Nitrogen and hydrogen react together to form ammonia. Give the word equation for the reaction.

Ammonia $\rightarrow$ Nitrogen + Hydrogen

Nitrogen + hydrogen $\rightarrow$ Ammonia

Nitrogen $\rightarrow$ Ammonia + Hydrogen

Hydrogen + Ammonia $\rightarrow$ Nitrogen

100 %

Word equations

Total questions: 20

Worksheet time: 13mins

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