Question

what colour change will take place when a drop of an alkali poured over
a)blue litmus paper
b) red litmus paper

Answer 1

when a drop of an alkali is poured over a blue litmus paper it will be having no change.
if the alkali is dropped on red litmus paper then it changes into blue.
Hope it helps!
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Answer 2

1 it will not change any colour...
2 it will turned blue....

hope it help u..