RRB NTPC · Question 48

Fill in the blanks with suitable option: A/An ______ turns blue litmus red and a/an _____ turns ______ litmus blue. A. Base, acid, red B. Acid, base, green C. Base, acid, pink D. Acid, base, red

1. A

   C

2. B

   A

3. C

   D

4. D

   B