:
Fill in the blanks
Your Performance
|
|
1. | (i) What is the main impurity present in the iron produced in the blast furnace? | | | | |
2. | (ii) By what chemical process is this impurity removed in steel-making? | | | | |
3. | (iii) What is added to steel to make stainless steel? | | | | |
| |
|
|
131 more pages in ICSE Board Class X Solved Exam Question Papers