In an experiment, samples of two colourless solutions M and N were taken. On adding turmeric solution, M turns yellow in colour and N turns brick red. On adding M to N the red colour gradually fades. What can you conclude about the nature of M and N?
1
M and N are both salts
2
M is acid and N is base
3
M is base and N is acid
4
M is a base and N cannot be known with given information