Question

A student takes 4 mL of distilled water in each of four test tubes I, II, III and IV, and then dissolves an equal amount of four different salts namely NaCl in I, CaCl₂ in II, MgCl₂ in III and KCl in IV. He then adds 8 drops of the given soap solution to each test tube and shakes the contents of the test tube 10 times. In which test tubes will enough lather (foam) be formed ?(A) I and II(B) II and III(C) I and IV
(D) III and IV

Answer 1

Your answer is option C.

I HOPE IT WILL HELP YOU!!!

IF YES THEN MARK ME AS BRAINLIEST!!!

☺☺☺☺