I think it will change into red.
acid
yes, as it is an acid . any acid turns blue litmus paper red .
blue
It won't change, it is already red (coke is acid).
Litmus paper can only distinguish acid from base, but you should be able to easily distinguish those two acids by their distinctive odors.
acid
yes, as it is an acid . any acid turns blue litmus paper red .
blue
Colourless I think.
the same color red
Because Vinegar is an acid, the litmus paper would turn red
It won't change, it is already red (coke is acid).
Red
HCl (hydrochloric acid) is an acid so it will turn litmus paper red. and alkali will go from red litmus to blue.
Litmus paper can only distinguish acid from base, but you should be able to easily distinguish those two acids by their distinctive odors.
In acid solution, blue colour of litmus is changed into red. In basic sol litmus change to blue.
red