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Chemical Formula Nomenclature Quiz

#1

What is the chemical formula for water?

H2O
Explanation

Water's chemical formula is H2O, indicating two hydrogen atoms bonded to one oxygen atom.

#2

Which of the following represents the chemical formula for table salt?

NaCl
Explanation

Table salt's chemical formula is NaCl, consisting of sodium (Na) and chloride (Cl) ions.

#3

What is the chemical formula for sulfuric acid?

H2SO4
Explanation

Sulfuric acid's chemical formula is H2SO4, comprising two hydrogen atoms, one sulfur atom, and four oxygen atoms.

#4

What is the chemical formula for carbon dioxide?

CO2
Explanation

Carbon dioxide's chemical formula is CO2, indicating one carbon atom bonded to two oxygen atoms.

#5

What is the chemical formula for ammonia?

NH3
Explanation

Ammonia's chemical formula is NH3, indicating one nitrogen atom bonded to three hydrogen atoms.

#6

Which chemical formula represents methane?

CH4
Explanation

Methane's chemical formula is CH4, consisting of one carbon atom bonded to four hydrogen atoms.

#7

What is the chemical formula for sodium hydroxide?

NaOH
Explanation

Sodium hydroxide's chemical formula is NaOH, composed of sodium (Na), oxygen (O), and hydrogen (H) atoms.

#8

What is the chemical formula for hydrochloric acid?

HCl
Explanation

Hydrochloric acid's chemical formula is HCl, composed of one hydrogen atom and one chlorine atom.

#9

Which chemical formula represents nitric acid?

HNO3
Explanation

Nitric acid's chemical formula is HNO3, comprising one hydrogen atom, one nitrogen atom, and three oxygen atoms.

#10

What is the chemical formula for calcium carbonate?

CaCO3
Explanation

Calcium carbonate's chemical formula is CaCO3, indicating one calcium atom, one carbon atom, and three oxygen atoms.

#11

Which chemical formula represents potassium permanganate?

KMnO4
Explanation

Potassium permanganate's chemical formula is KMnO4, indicating potassium (K), manganese (Mn), and oxygen (O) atoms.

#12

What is the chemical formula for nitrous oxide?

N2O
Explanation

Nitrous oxide's chemical formula is N2O, comprising two nitrogen atoms bonded to one oxygen atom.

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