Question : Which of the following substances has a pH value of about 14?
Option 1: Blood
Option 2: Sodium hydroxide
Option 3: Milk of magnesia
Option 4: Lemon Juice
Correct Answer: Sodium hydroxide
Solution : The correct option is Sodium hydroxide .
Sodium hydroxide (NaOH) is a strong base, and its aqueous solution can have a pH value close to 14, especially at high concentrations. Sodium hydroxide is a hydroxide ion (OH-) donor, and when it dissolves in water, it produces hydroxide ions, which can increase the concentration of hydroxide ions in the solution.
Related Questions
Know More about
Staff Selection Commission Combined Grad ...
Result | Eligibility | Application | Selection Process | Preparation Tips | Admit Card | Answer Key
Get Updates Brochure
Your Staff Selection Commission Combined Graduate Level Exam brochure has been successfully mailed to your registered email id “”.
Upcoming Exams
Trending Articles around SSC CGL
