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)
The correct answer is (d) 'Lemon juice < Coffee < Blood < Milk of magnesia'. This question from the Geography domain tests knowledge of Indian Agriculture & Land Use.