UPSC Civil Services Prelims 2020
Question 62 of 70Environment and Ecology
Steel slag can be the material for which of the following? 1. Construction of base road 2. Improvement of agricultural soil 3. Production of cement
A1 and 2 only
B2 and 3 only
C1 and 3 only
D1, 2 and 3
Correct Answer
The correct answer is hidden
Explanation
40 words hidden ... steel slag is used for soil improvement or liming because of its mineral composition, though such use depends on ... 38 words hidden