Study the following statements. (i) Hydraulic lime is suitable for white washing, (ii) Fat lime is suitable for whitewashing, (iii) Hydraulic lime is suitable for making mortar, (iv) Fat lime is suitable for making mortar. A. (i) and (iv) B. (ii) and (iii) C. (i) and (ii) D. (iii) and (iv)

The correct answer is: (i) and (iii).

Hydraulic lime is a type of lime that can set and harden even when it is exposed to water. This makes it suitable for use in making mortar, which is a mixture of lime, sand, and water that is used to bind bricks and stones together. Fat lime is a type of lime that is rich in calcium oxide. It is not as strong as hydraulic lime, but it is more workable and can be used for a variety of purposes, including whitewashing.

Whitewashing is a technique used to coat surfaces with a thin layer of lime. This can be done for a variety of reasons, including to protect the surface from the elements, to improve its appearance, or to kill bacteria. Both hydraulic lime and fat lime can be used for whitewashing, but hydraulic lime is more durable and will last longer.

Therefore, the only statements that are correct are (i) and (iii). Hydraulic lime is suitable for making mortar, and it is also suitable for whitewashing. Fat lime is not suitable for making mortar, but it is suitable for whitewashing.