Which material serves as the primary binding agent in traditional concrete and is often used in mortar as well?

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Multiple Choice

Which material serves as the primary binding agent in traditional concrete and is often used in mortar as well?

Explanation:
Cement serves as the binding agent. When mixed with water, cement hydrates and forms a hard, cohesive paste that glues the sand and other aggregates together, creating a solid matrix in concrete. In mortar, that same cement paste surrounds the sand particles and bonds masonry units to one another, providing adhesion and structural cohesion. Water is essential to start the chemical reaction, but it’s the cement that acts as the actual binder, while sand and aggregate are the filling material that gains strength from the cement paste.

Cement serves as the binding agent. When mixed with water, cement hydrates and forms a hard, cohesive paste that glues the sand and other aggregates together, creating a solid matrix in concrete. In mortar, that same cement paste surrounds the sand particles and bonds masonry units to one another, providing adhesion and structural cohesion. Water is essential to start the chemical reaction, but it’s the cement that acts as the actual binder, while sand and aggregate are the filling material that gains strength from the cement paste.

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