Determine the changes that occur when the samples are tested using the following indicators:
1.
Sample solution | Red litmus |
\(H_2SO_4\) | |
\(NH_4OH\) |
2.
Sample solution | Blue litmus |
| \(H_2SO_4\) | |
| \(NH_4OH\) |
3.
Sample solution | Phenolphthalein |
| \(H_2SO_4\) | |
| \(NH_4OH\) |
4.
Sample solution | Methyl orange |
| \(H_2SO_4\) | |
| \(NH_4OH\) |