Quiz on Acids and Bases

What is the origin of the word "acid"?

• Greek word "akis"

• Latin word "acidus"

• French word "acide"

• German word "sauer"

What is the chemical formula for acetic acid found in vinegar?

• HCl

• NaOH

• CH₃COOH

• H₂SO₄

What taste is associated with bases?

• Sweet

• Sour

• Bitter

• Salty

What is a common base used in soaps?

• Hydrochloric acid

• Sodium hydroxide

• Acetic acid

• Sulfuric acid

What type of compound is a salt?

• Covalent compound

• Ionic compound

• Metallic compound

• Organic compound

What is used to clean windows according to the image?

• Vinegar

• Ammonia

• Table salt

• Citrus fruits

What is table salt used for in the context of the image?

• Cleaning windows

• Adding flavor to food

• Making soap

• Preserving food

Which of the following contains acids as mentioned in the image?

• Ammonia

• Table salt

• Citrus fruits and vinegar

• Soap

Who proposed the first explanation of acids and bases in 1887?

• Albert Einstein

• Svante Arrhenius

• Marie Curie

• Isaac Newton

According to the Arrhenius model, what ion is formed when an acid dissociates in an aqueous solution?

• OH⁻

• Na⁺

• H⁺

• Cl⁻