UPSC 2014 CDS I GK Paper
© examsiri.com
Question : 105 of 120
Marks:
+1,
-0
Which of the following solutions will not change the colour of blue litmus paper to red?
1. Acid solution
2. Base solution
3. Common salt solution
Select the correct answer using the code given below.
1. Acid solution
2. Base solution
3. Common salt solution
Select the correct answer using the code given below.
[2014 CDS-I]
Go to Question: