Question

Select the series which is correctly arranged in increasing order of their pH value.

• A. Gastric juice < Citric juice < Pure water < Milk of magnesia
• B. Milk of magnesia < Pure water < Citric juice < Gastric juice
• C. Gastric juice < Citric juice < Milk of magnesia < Pure water
• D. Citric juice < Gastric juice < Milk of Magnesia < Pure water

Answer 1

The correct option is A

Gastric juice < Citric juice < Pure water < Milk of magnesia

Gastric juice < Citric juice < Pure water < Milk of magnesia have pH in the order of 1.4 < 2.5 < 7.0 < 10.5 respectively.