Which one of the following is a non-metallic mineral?

Correct option is D

The Correct answer is (d) Sulphur.

Sulfur is classified as a non-metallic mineral. It is a non-metal found in nature and is widely used in industries such as fertilizers, chemicals, and pharmaceuticals.

Explanation of Other Options:

• Silver: A metallic mineral known for its luster, conductivity, and use in jewelry and electronics.
• Iron: A metallic mineral extensively used in construction and manufacturing due to its strength and magnetic properties.
• Platinum: A metallic mineral, valued for its rarity, durability, and use in jewelry and industrial applications.
  

Information Booster:

Non-Metallic Minerals:

·       Include minerals like mica, gypsum, coal, and limestone.

·       Generally poor conductors of heat and electricity.

·       Used primarily in non-metallic industries.

Key Details:

Sulphur:

• Non-metal with a characteristic yellow color.
• Found near volcanic regions and in sedimentary deposits.
• It is commonly used in producing sulfuric acid, rubber, and fungicides.