Chemical substances are mentioned as
I. Sour taste
II. Slippery to touch
III. Yields alkaline gas with ammonium salts
IV. Has pH less than 7
V. Turns phenolphthalein pink

Which of the above are NOT typical properties of alkali?

A. I, IV and V
B. IV and \(V\)
C. I and IV  
D. II and V
E. II, III and IV

Show Answer Show Explanation

Correct Answer: C