alleryStart learning →A solution with a pH less than 7 is:
- acidic
- neutral
- basic
- always pure water
Show answer and solution
Correct answer: A. acidic
pH below 7 means the solution is acidic.
Indian Navy SSR Acids Bases Salts — practice questions
Explore 2 free Acids Bases Salts questions in Indian Navy SSR Science. Open each question or exercise to read its content, reference answers and available explanation.
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Worked practice questions
Baking soda (NaHCO₃) is used in antacid tablets mainly because it:
- thickens stomach lining
- neutralises stomach acid
- kills stomach bacteria
- absorbs water in gut
Show answer and solution
Correct answer: B. neutralises stomach acid
NaHCO₃ is a mild base.
In the acidic stomach it neutralises excess HCl, easing the discomfort of acidity.
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