#1
What is the chemical formula for water?
H2O
ExplanationWater'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
ExplanationTable salt's chemical formula is NaCl, consisting of sodium (Na) and chloride (Cl) ions.
#3
What is the chemical formula for sulfuric acid?
H2SO4
ExplanationSulfuric 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
ExplanationCarbon dioxide's chemical formula is CO2, indicating one carbon atom bonded to two oxygen atoms.
#5
What is the chemical formula for ammonia?
NH3
ExplanationAmmonia's chemical formula is NH3, indicating one nitrogen atom bonded to three hydrogen atoms.
#6
Which chemical formula represents methane?
CH4
ExplanationMethane'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
ExplanationSodium hydroxide's chemical formula is NaOH, composed of sodium (Na), oxygen (O), and hydrogen (H) atoms.
#8
What is the chemical formula for sulfur dioxide?
SO2
ExplanationSulfur dioxide's chemical formula is SO2, consisting of one sulfur atom bonded to two oxygen atoms.
#9
What is the chemical formula for acetic acid?
CH3COOH
ExplanationAcetic acid's chemical formula is CH3COOH, consisting of two carbon atoms, four hydrogen atoms, and two oxygen atoms.
#10
Which chemical formula represents hydrogen peroxide?
H2O2
ExplanationHydrogen peroxide's chemical formula is H2O2, indicating two hydrogen atoms bonded to two oxygen atoms.
#11
What is the chemical formula for hydrogen sulfide?
H2S
ExplanationHydrogen sulfide's chemical formula is H2S, indicating two hydrogen atoms bonded to one sulfur atom.
#12
What is the chemical formula for magnesium sulfate?
MgSO4
ExplanationMagnesium sulfate's chemical formula is MgSO4, indicating magnesium (Mg), sulfur (S), and oxygen (O) atoms.
#13
What is the chemical formula for potassium chloride?
KCl
ExplanationPotassium chloride's chemical formula is KCl, indicating potassium (K) and chloride (Cl) ions.
#14
What is the chemical formula for hydrogen cyanide?
HCN
ExplanationHydrogen cyanide's chemical formula is HCN, consisting of one hydrogen atom, one carbon atom, and one nitrogen atom.
#15
What is the chemical formula for calcium hydroxide?
Ca(OH)2
ExplanationCalcium hydroxide's chemical formula is Ca(OH)2, indicating one calcium atom, two hydroxide (OH) ions.
#16
What is the chemical formula for nitric oxide?
NO
ExplanationNitric oxide's chemical formula is NO, indicating one nitrogen atom bonded to one oxygen atom.
#17
What is the chemical formula for hydrochloric acid?
HCl
ExplanationHydrochloric acid's chemical formula is HCl, composed of one hydrogen atom and one chlorine atom.
#18
Which chemical formula represents nitric acid?
HNO3
ExplanationNitric acid's chemical formula is HNO3, comprising one hydrogen atom, one nitrogen atom, and three oxygen atoms.
#19
What is the chemical formula for calcium carbonate?
CaCO3
ExplanationCalcium carbonate's chemical formula is CaCO3, indicating one calcium atom, one carbon atom, and three oxygen atoms.
#20
Which chemical formula represents potassium permanganate?
KMnO4
ExplanationPotassium permanganate's chemical formula is KMnO4, indicating potassium (K), manganese (Mn), and oxygen (O) atoms.
#21
What is the chemical formula for nitrous oxide?
N2O
ExplanationNitrous oxide's chemical formula is N2O, comprising two nitrogen atoms bonded to one oxygen atom.
#22
Which chemical formula represents phosphoric acid?
H3PO4
ExplanationPhosphoric acid's chemical formula is H3PO4, comprising three hydrogen atoms, one phosphorus atom, and four oxygen atoms.
#23
Which chemical formula represents hydrofluoric acid?
HF
ExplanationHydrofluoric acid's chemical formula is HF, composed of one hydrogen atom and one fluorine atom.
#24
Which chemical formula represents sulfuric acid?
H2SO4
ExplanationSulfuric acid's chemical formula is H2SO4, comprising two hydrogen atoms, one sulfur atom, and four oxygen atoms.
#25
Which chemical formula represents carbonic acid?
H2CO3
ExplanationCarbonic acid's chemical formula is H2CO3, consisting of two hydrogen atoms, one carbon atom, and three oxygen atoms.