Question

Use the definition of minerals to choose the correct statement about Portland cement.
Portland cement is the most common type of cement used in the world. It is made of limestone and other material. It was first developed in 1756 by John Smeaton. Portland cement is made through a process of heating and grinding. It sets and hardens when mixed with water.

A
Portland cement is a mineral because all minerals are made of limestone.

B
Portland cement is a mineral because all minerals harden when mixed with water.

C
Portland is not a mineral because minerals are not man-made.

D
Portland cement is not a mineral because minerals aren’t used in daily life.

next questions

Which of the following is a physical property of minerals?
A
color

B
toxicity

C
combustion

D
chemical stability

Answer 1

Answer:

chemical stability is the one of physical properties

Answer 2

Answer:

(1 )a option

Explanation:

(2) (d) option hope it helps you mark me as a brainliest plzzzzzzzzzz