Question

*7. You are given two unlabelled test tubes. You are
told that one contains sodium carbonate solution
and the other contains sodium chloride solution.
Which of the following can be used to identify
the solutions?
A Aqueous ammonia
B Dilute hydrochloric acid
С Lead(II) nitrate solution
D Sodium hydroxide solution

Answer 1

Answer:

b

option b dilute hydrochloric acid