The difference between concrete and cement is that cement is a component of concrete, while concrete is a mixture of cement, water, and aggregates. Cement is a fine powder that acts as a binder when mixed with water and hardens when it reacts with the water and the aggregates. Concrete is a solid material that can be used for various construction purposes, such as building roads, bridges, dams, or buildings.

Some of the key differences between concrete and cement are:

• Composition: Cement is made from limestone, clay, and other minerals that are heated and ground into a fine powder. Concrete is made from cement, water, and aggregates, such as sand, gravel, or crushed stone.
• Function: Cement is used as a glue or adhesive to bind other materials together. Concrete is used as a structural or load-bearing material that can withstand compression, tension, or shear forces.
• Properties: Cement is a dry powder that needs water to activate its binding properties. Concrete is a wet mixture that sets and hardens over time, forming a strong and durable material.
• Varieties: Cement can be classified into different types, such as Portland cement, hydraulic cement, or non-hydraulic cement, depending on its composition and setting characteristics2. Concrete can be classified into different types, such as normal concrete, high-performance concrete, or lightweight concrete, depending on its strength, density, or additives.