Concrete is ________.
A) synonymous with the term cement
B) synonymous with the term Portland cement
C) a combination of cement,sand,and gravel
D) powdered rock of any lithology mixed with water and allowed to set overnight

Question

Quizplus · Accepted Answer

Concrete is a mixture of cement, sand, and gravel. While cement is an important component of concrete, it is not synonymous with concrete. Portland cement is a specific type of cement used in concrete, but concrete can be made with other types of cement as well. Option D is incorrect because powdered rock and water mixed together do not always form concrete.

Concrete Is ________