Q: Which one of the following is the correct order of pH for the given substances?
(a)Coffee < Lemon juice < Milk of magnesia < Blood
(b)Milk of magnesia < Blood < Coffee < Lemon juice
(c)Lemon juice < Blood < Coffee < Milk of magnesia
(d)Lemon juice < Coffee < Blood < Milk of magnesia
Correct Answer: (d)
Detailed explanation coming soon.