Free Printable Writing chemical equations

1.

Translate the word equation below:

Nitrogen reacts with Hydrogen to form Ammonia (NH₃).

a)

$N\ \ \rightarrow\ H\ +\ NH_3$

b)

$N_2\ +\ H_2\ \rightarrow\ NH_3$

c)

$N\ +\ H\ \rightarrow\ NH_3$

d)

$N_2\ \rightarrow\ H_2\ +\ NH_3$

2.

Translate the word equation below.

Hydrogen and Carbon Dioxide react to form Carbonic Acid (H₂CO₃).

a)

$H\ +\ CO_2\ \rightarrow\ H_2CO_3$

b)

$H\ \rightarrow\ CO_2\ +\ H_2CO_{3_{ }}$

c)

$H_2\ +\ CO_2\ \rightarrow\ H_2CO_3$

d)

$H_2\ \rightarrow\ CO_2\ +\ H_2CO_3$

3.

Translate the word equation below.

Carbon Dioxide and Hydrogen react to form Methane (CH₄) and Water

a)

$CO_{2_{\ }}+\ H_2O\ \rightarrow\ CH_4\ +H_2\$

b)

$CO_2\ \rightarrow\ H_2\ +\ CH_4\ +\ H_2O$

c)

$CO_2\ \ +\ H_2\ +\ CH_4\ \ \rightarrow\ H_2O$

d)

$CO_2\ \ +\ H_2\ \rightarrow\ CH_4\ +\ H_2O$

4.

Which is the correct chemical equation for the following: Solid Zn reacts with silver (I) chloride to produce Zinc (II) chloride and silver metal

a)

Zn(s) + AgCl → ZnCl₂+ Ag (s)

b)

ZnCl₂ + Ag (s) → Zn (s) + AgCl

c)

ZnCl2 + Ag₂ → Zn + AgCl

d)

Zn₂Cl + Ag (s) → Zn (s) + AgCl

5.

Which is the correct chemical equation for the following: Barium Chloride combined with sodium sulfide yields barium sulfide and sodium chloride

a)

BaCl + NaS → BaS+ NaCl

b)

BaCl₂ + Na₂S → BaS+ NaCl

c)

BaS+ NaCl → BaCl + NaS

d)

BaCl₂ + Na₂S → BaS+ NaCl₂

6.

Which is NOT a diatomic molecule?

a)

Fluorine

b)

Nitrogen

c)

Boron

d)

Bromine

7.

Magnesium can be burned in oxygen to produce solid magnesium oxide.

a)

Mg(s) + O₂(g)→ MgO(s)

b)

Mg(s) + O(g) → MgO(s)

c)

Mg(s) + CO₂(g)→ MgO(s) + C(s)

d)

Mg(s) + O₂(g)→ Mg₂O₂(s)

8.

Sodium reacts with chlorine to produce sodium chloride.

a)

NaCl(s) → Cl(g) + Na(s)

b)

Na(s) + CO₂(g) → NaCO₂(s)

c)

2Na(s) + Cl₂(g) → 2NaCl(s)

d)

Na(s) + Cl(g) → NaCl

9.

Iron reacts with sulfur to produce iron(II) sulfide powder.

a)

2Fe(s) + S(s) → Fe₂S(s)

b)

Fe(s) + S(s) → FeS(s)

c)

Fe(s) + S(g) → FeS(s)

d)

4Fe(s) + S₂(g) → 2Fe₂S

Writing chemical equations

Total questions: 9

Worksheet time: 10mins

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