Question 1

What is the chemical formula of calcium oxide?

Accepted Answer

CaO

Answer

CaO2

Answer

Ca2O2

Answer

Ca2O

Question 2

What is the chemical formula of magnesium chloride?

Accepted Answer

MgCl2

Answer

Mg2Cl

Answer

MgCl

Answer

Mg2Cl2

Question 3

What is the chemical formula of iron (III) oxide?

Accepted Answer

Fe2O3

Answer

FeO

Answer

FeO2

Answer

Fe3O2

Question 4

What is the name of the compound with the chemical formula Ag₂O?

Accepted Answer

Silver (I) oxide

Answer

Silver (IV) oxide

Answer

Silver (II) oxide

Answer

Silver (III) oxide

Question 5

What is the name of the compound with the chemical formula CuO?

Accepted Answer

Copper (II) oxide

Answer

Copper (IV) oxide

Answer

Copper (III) oxide

Answer

Copper (I) oxide

Question 6

What is the chemical formula of sodium nitrate?

Accepted Answer

NaNO3

Answer

NaN3

Answer

Na(NO₃)₂

Answer

Na3N

Question 7

What is the chemical formula of sodium carbonate?

Accepted Answer

Na2CO3

Answer

Na(CO₃)₂

Answer

Na4C

Answer

NaCO3

Question 8

What is the the name of the compound with the formula CuCO₃

Accepted Answer

Copper (II) carbonate

Answer

Copper (I) carbonate

Answer

Copper (IV) carbonate

Answer

Copper (III) carbonate

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