Chemistry General Knowledge questions and answers

Here you can learn chemistry general knowledge with the collection of important chemistry-based gk questions. Prepare for the competitive exams

Question: What is the chemical symbol for gold?

Answer: Au

Question: What is the chemical formula for water?

Answer: H2O

Question: What is the chemical symbol for oxygen?

Answer: O

Question: What is the chemical formula for carbon dioxide?

Answer: CO2

Question: What is the chemical symbol for sodium?

Answer: Na

Question: What is the chemical formula for hydrochloric acid?

Answer: HCl

Question: What is the chemical symbol for chlorine?

Answer: Cl

Question: What is the chemical formula for sulfuric acid?

Answer: H2SO4

Question: What is the chemical symbol for hydrogen?

Answer: H

Question: What is the chemical formula for nitric acid?

Answer: HNO3

Question: What is the chemical symbol for helium?

Answer: He

Question: What is the chemical formula for sulfur dioxide?

Answer: SO2

Question: What is the chemical symbol for potassium?

Answer: K

Question: What is the chemical formula for acetic acid?

Answer: CH3COOH

Question: What is the chemical symbol for aluminum?

Answer: Al

Question: What is the chemical formula for ammonia?

Answer: NH3

Question: What is the chemical symbol for copper?

Answer: Cu

Question: What is the chemical formula for phosphoric acid?

Answer: H3PO4

Question: What is the chemical symbol for magnesium?

Answer: Mg

Question: What is the chemical formula for calcium carbonate?

Answer: CaCO3