Quiz on sulfur element

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Sulfur is a non-metallic element with the chemical symbol S and atomic number 16. It belongs to Group 16 of the periodic table, known as the chalcogen group, which also includes oxygen and selenium. Sulfur is easily recognized by its bright yellow color and is found abundantly in the Earth’s crust, often near volcanic areas and hot springs. It does not dissolve in water and burns with a blue flame, producing sulfur dioxide (SO₂), a gas with a sharp odor. Sulfur is a key industrial element used in the manufacture of sulfuric acid (H₂SO₄) — one of the most important industrial chemicals, widely used in fertilizers, batteries, and cleaning agents. In biology, sulfur is essential for life, as it is found in certain amino acids and vitamins that help build proteins in living organisms. Naturally, sulfur occurs in rhombic and monoclinic crystalline forms, with rhombic sulfur being the most stable at room temperature. Its versatile uses and biological importance make it one of the most valuable non-metals on Earth.

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  • Published by : on 19-Oct-2025 01:40 pm

MCQ Questions on Quiz on sulfur element

Q. What is the chemical symbol for Sulfur?

A. Su
B. S
C. Sr
D. Sf
Correct: Option (B)

Q. What is the atomic number of Sulfur?

A. 14
B. 15
C. 16
D. 17
Correct: Option (C)

Q. Which group does Sulfur belong to in the periodic table?

A. Group 14
B. Group 15
C. Group 16
D. Group 17
Correct: Option (C)

Q. What is the natural color of Sulfur?

A. Red
B. Yellow
C. White
D. Green
Correct: Option (B)

Q. Which gas is produced when Sulfur burns in air?

A. Sulfur dioxide (SO₂)
B. Carbon dioxide (CO₂)
C. Nitrogen dioxide (NO₂)
D. Oxygen (O₂)
Correct: Option (A)

Q. Which of the following is a common use of Sulfur?

A. In fertilizers
B. In glass making
C. As a refrigerant
D. In jewelry
Correct: Option (A)

Q. Which acid is known as the 'King of Chemicals' and is made from Sulfur?

A. Nitric acid
B. Sulfuric acid
C. Hydrochloric acid
D. Phosphoric acid
Correct: Option (B)

Q. Which of the following forms of Sulfur is most stable at room temperature?

A. Rhombic sulfur
B. Monoclinic sulfur
C. Amorphous sulfur
D. Plastic sulfur
Correct: Option (A)

Q. Which of the following statements about Sulfur is true?

A. It is a metal
B. It is insoluble in water
C. It burns with a blue flame
D. Both 2 and 3
Correct: Option (D)

Q. In which biological compound is Sulfur an essential component?

A. Proteins
B. Carbohydrates
C. Lipids
D. Vitamins only
Correct: Option (A)