Question

when a substance A turns blue litmus red ,it
a)vanishes smell of clove oil
b) vanishes odour of vanilla
c)turns phenolphthalein colourless
d)none of these​

Answer 1

Answer:

C

Explanation:

substance A turns blue litmus red which shows that it is acidic in nature

and phenolpthalein is a synthetic indicator which turns colorless on adding acid to it

Answer 2

Answer:

a)vanishes smell of clove oil

Explanation:

Y turns phenolphthalein colorless which means it is acidic medium. Thus, Y will vanish smell of clove oil.