Purification And Characterisation Of Organic Compounds Question 28
Question: Which of the following is not an ore
[IIT 1982]
Options:
A) Bauxite
B) Malachite
C) Zinc blende
D) Pig iron
Show Answer
Answer:
Correct Answer: D
Solution:
Pig iron - It is the most impure form of iron and contains highest proportion of carbon $ (2.5-4%) $
$ Malachite\to Cu{{(OH)}_2}.CuCO_3 $
$ Zincblende\to ZnS $
$ Bauxite\to Al_2O_3.2H_2O $
BETA
