Question

The cities of Harappa and Mohenjo daro had huge public baths. The bricks at the sides walls were fitted together and the bricks were made waterproof. What made the bricks become waterproof?

• A. A thick layer of material called bitumen was used to make the bricks waterproof.
• B. A material called gypsum was added along with mud to make the bricks waterproof.
• C. A catalyst was used in the process of making bricks waterproof.
• D. Cement was used along with bricks to make it waterproof.

Answer 1

The correct option is A A thick layer of material called bitumen was used to make the bricks waterproof.

The cities of Harappa and Mohenjo-Daro had huge public baths. The Great Bath, which was discovered in Mohenjo-Daro was indeed a “great” Bath. The bricks at the sides walls and the floor so finely fitted together that the tank was watertight. Also, there was a thick layer of material called bitumen on the bricks to make it even more waterproof.