Word Equations to Chemical Equations

Front

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

Mg + O₂→ MgO

,

Mg+ O→ MgO

,

Mg + CO₂ → MgO + C

,

Mg + O₂→ Mg₂O₂

Back

Mg + O₂→ MgO

Front

Sodium reacts with chlorine gas to produce sodium chloride.

Back

Na + Cl₂→ NaCl

Front

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

Fe + S → Fe₂S

,

Fe + S → FeS

,

Fe₂ + S→ Fe₂S₂

,

Fe + S₂ → Fe₂S

Back

Fe + S → FeS

Front

When lead reacts with oxygen, a yellow lead(II) oxide powder is produced. Options: Pb + O₂ → PbO, Pb + O₂→ PbO₂, Pb₂ + O₂→ Pb₂O, Pb + O → PbO

Back

Pb + O₂ → PbO

Front

When hydrogen reacts with sulfur, a smelly gas, dihydrogen monosulfide, is produced. Options:

H₂ + S → HS

,

H₂ + S → H₂S

,

H + S→ HS

,

H + S→ H₂S

Back

H₂ + S → H₂S

Front

Magnesium metal reacts with oxygen to form magnesium oxide. What is the correct equation? Options:

Mg₂ + O₂ --> MgO

,

Mg + O₂ --> MgO

,

Mg₂ + O₂ --> Mg₂O₂

,

Mg₂ + O₂ --> MgO

Back

Mg + O₂ --> MgO

Front

Hydrogen gas and nitrogen monoxide gas forms water and nitrogen gas. Options:

H₂ + NO --> H₂O + N₂

,

H + NO --> H₂O + N

,

H₂ + N₂O₃ --> H₂O + N₂

,

H + NO --> H₂O + N₂

Back

H₂ + NO --> H₂O + N₂

Front

Chemical reaction: Potassium chlorate solid when heated produces potassium chloride solid and oxygen gas.

Back

KClO₃ + heat --> KCl + O₂

Front

sodium phosphate and calcium chloride produce calcium phosphate and sodium chloride

Options: Na₃PO₄ + CaCl₂ --> Ca₃(PO₄)₂ + NaCl, Na₃PO₄ + CaCl₂ --> Ca₄PO₂ + NaCl, NaPO₄ + CaCl₂ --> Ca(PO₄)₂ + NaCl, NaPO₄ + CaCl₂ --> Ca₂(PO₄)3 + NaCl

Back

Na₃PO₄ + CaCl₂ --> Ca₃(PO₄)₂ + NaCl

Front

Aluminum bromide and chlorine gas produce aluminum chloride and bromine gas.

Back

AlBr₃ + Cl₂ --> AlCl₃ + Br₂