quiz

Acids

1. What is the origin of the word “acid”? 

  • A) The Greek term "alkalinos"
  • B) The sour Latin word "acidus"
  • C) "Baser" is the Arabic word for "bitter"
  • D) "Rasa" is the Sanskrit word for "taste"
B) The sour Latin word "acidus" Explanation

2. What is the common element found in every acid?

  • A) Hydrogen (H)
  • B) Oxygen (O)
  • C) Carbon (C)
  • D)  Nitrogen (N)
A) Hydrogen (H) Explanation

3. Which acid is often referred to as the “King of Acids”?

  • A) Hydrochloric acid
  • B) Nitric acid
  • C) Sulfuric acid
  • D) Acetic acid
C) Sulfuric acid Explanation

4. What is the color of concentrated nitric acid?

  • A) Clear and colorless
  • B) Blue
  • C) Green
  • D) Red
A) Clear and colorless Explanation

5. Which acid is known as the strongest acid in the world? 

  • A) Hydrochloric acid
  • B) Nitric acid
  • C) Fluoroantimonic acid
  • D) Acetic acid
C) Fluoroantimonic acid Explanation

6. What is another common name for hydrochloric acid?

  • A) Sodium Hydroxide
  • B) Spirit of Niter
  • C) Muriatic Acid
  • D) Nitric Acid
C) Muriatic Acid Explanation

7. Which acid is commonly associated with vinegar? 

  • A) Nitric acid
  • B) Citric acid
  • C) Lactic acid
  • D) Acetic acid
D) Acetic acid Explanation

8. In the human body, malic acid is involved in a key biochemical pathway. Which one is it?

  • A) Glycolysis
  • B) Photosynthesis
  • C) Krebs cycle
  • D) DNA replication
C) Krebs cycle  Explanation

9. What acid is typically found in fruits like oranges and lemons? 

  • A) Acetic acid
  • B) Oxalic acid
  • C) Citric acid
  • D) Sulfuric acid
C) Citric acid Explanation

10. Which of the following materials is commonly used to make containers for storing sulfuric acid?

  • A) Aluminum
  • B) Glass
  • C) Paper
  • D) Wood
B) Glass Explanation

11. What process involving acids is used to remove rust and corrosion from metals? 

  • A) Dissolution
  • B) Precipitation
  • C) Pickling
  • D) Oxidation
C) Pickling Explanation

12. Which acid is produced by ants for defense purposes? 

  • A) Nitric acid
  • B) Acetic acid
  • C) Lactic acid
  • D) Formic acid
D) Formic acid Explanation

13. What color does blue litmus paper turn when it comes into contact with an acid?

  • A) Green
  • B) Blue
  • C) Red
  • D) Yellow
C) Red Explanation

14. Acid commonly found in the stomach and aids in digestion: 

  • A) Nitric acid
  • B) Hydrochloric acid
  • C) Sulfuric acid
  • D)  Phosphoric acid
B) Hydrochloric acid Explanation

15. What is the common name for calcium oxalate, a compound formed when oxalic acid reacts with certain minerals in the body?

  • A) Gypsum
  • B) Limestone
  • C) Kidney stones
  • D) Halite
C) Kidney stones Explanation

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