D And F Block Elements Question 401
Question: One of the important use of ferrous sulphate is in the
Options:
A) Manufacture of blue black ink
B) Manufacture of chalks
C) Preparation of hydrogen sulphide
D) Preparation of anhydrous ferric chloride
Show Answer
Answer:
Correct Answer: A
Solution:
Manufacture of blue black ink.
 BETA
  BETA 
             
             
           
           
           
          