Which of the following will determine whether the given colourless liquid is water or not ?

Question

Which of the following will determine whether the given colourless liquid is water or not ? (A) melting (B) tasting (C) phosphthalein (D) adding a pinch of anhydrous CuSO4

Tardigrade Admin · Accepted Answer

Colourless anhydrous CuSO4 becomes blue on reaction with water

Q. Which of the following will determine whether the given colourless liquid is water or not ?

melting

tasting

phosphthalein

adding a pinch of anhydrous $C u S O_{4}$

Colourless anhydrous $C u S O_{4}$ becomes blue on reaction with water