Unsigned tubes with NaOH and NaCl solutions are given. how to find out where each

Unsigned tubes with NaOH and NaCl solutions are given. how to find out where each of the substances is using indicators.

Sodium hydroxide gives an alkaline environment, since it is alkaline, therefore litmus paper, which is dark blue in an alkaline environment, gives a blue color.
If it is methyl orange, which is orange, it will be yellow in alkaline environment.
If it is phenolphthalein, which has a colorless color, it will turn crimson in sodium hydroxide environment.
Sodium chloride is formed by a strong base and will not change color with a strong acid.