Question

Concrete is a ___ of water, sand, cement and other rocks grinded together.

• A. homogeneous mixture
• B. element
• C. heterogeneous mixture
• D. compound

Answer 1

The correct option is C heterogeneous mixture

Heterogeneous mixtures containes two or more substances mixed together, non-uniformly.

Concrete is a heterogeneous mixture made by grinding and mixing water, cement, sand and small rocks or stones together. The individual components of this mixture can be seen separately and they are not uniformly distributed throughout the mixture.