Question
Chemistry Question on Organic Chemistry- Some Basic Principles and Techniques
The ratio of silica to alumina in cement is:
A
5.5
B
2
C
3
D
1.5
Answer
3
Explanation
Solution
Correct answer is (C) : 3
For good-quality cement, the ratio of silica (SiO2) to Alumina (Al2O3) should be between 2.5 to 4