engineering recuitment HPCL Engineer Mock Test 2024 Construction Materials and Management Miscellaneous Material
When pure gypsum is heated to 205°C, it loses its luster and due to the loss of water of crystallization its specific density increases from _______ to ____________.
1
2.3 ; 2.95
2
2.3 ; 2.7
3
1.5 ; 2.95
4
2.3 ; 3