Question:

Which of the following materials, used in construction, is an industrial waste product?

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Fly ash is an eco-friendly material used in construction. It enhances concrete strength and durability while reducing cement consumption, making it a sustainable choice.

Updated On: Mar 10, 2025

Lime
Fly Ash
Sand
Brick

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The Correct Option is B

Solution and Explanation

Step 1: Identify which of the given materials is an industrial waste product.
- Lime: A naturally occurring material used in construction, but not a waste product.
- Sand: A naturally occurring granular material, not an industrial byproduct.
- Brick: Manufactured from clay and other materials but not classified as industrial waste.
- Fly Ash: A fine powder byproduct from coal combustion in thermal power plants, widely used in construction.

Step 2: Fly ash is utilized in the production of cement, concrete, and bricks due to its binding properties and environmental benefits.
Thus, the correct answer is option B (\textit{Fly Ash}).

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