Chemical substances are mentioned as follows (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 thee above are NOT typical properties of alkali?

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