Question

• A. i-c, ii-b, iii-d, iv-a
• B. i-d, ii-b, iii-c, iv-a
• C. i-c, ii-b, iii-a, iv-d
• D. i-a, ii-b, iii-c, iv-d

Answer 1

Answer:

A. i-c, ii-b, iii-d, iv-a

• Lemon juice has a pH of 2.2

• gastric juice is very acidic with a pH of 1.2

• milk of magnesia has a pH of 10

• sodium hydroxide solution is very basic with a pH of 14.

• Thus, the correct matching is i - c, ii - b, iii - d, iv - a.