Question

What will be the effect of lime water, salt solution, vinegar, milk, sea water and curd on blue litmus paper?

Answer 1

Lime water turns blue litmus red.
Salt solution depend on type of salt, basic salt will turn red litmus blue and acidic salt will turn blue litmus red.
Vinegar turns blue litmus red.
Milk turns blue litmus red.
Sea water is alkaline so it will turn red litmus blue (no effect on blue litmus).
Curd turns blue litmus red.