Laterite is chemically classified as

The rocks formed due to solidification of molten mass laying below or above the earth surface, are called

Which of the following statement is correct?

The shrinkage of ordinary concrete is about

Which of the following statement is wrong?

The indentation marks left on bricks during the process of moulding, are known as

The workability of cement concrete can be improved by

The metallic oxide used in the form of powder in a paint is called

During the process of burning limestone, clay forms certain compound which