RRB Technician 2014 Ques 41
Question: Bauxite containing chief impurities of oxides of silicon is called
Options:
A) red bauxite
B) white bauxite
C) black bauxite
D) no specific name
Show Answer
Answer:
Correct Answer: B
Solution:
- White bauxite contains silica as impurity and red bauxite contains iron oxide as impurity.