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Acids Used in Everyday Life MCQs with Answers

Includes 7 past paper MCQs (marked).

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Acids Used in Everyday Life MCQs (31–40)

10 MCQs with answers and a short one-liner. Hide answers to test yourself.

Past paper MCQs in this chapter · See all past papers

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31.
Which of the following acid is used in Ink?
Correct Answer: A. Tannic acid
One-liner
Tannic acid is the acid used in ink, where it combines with iron salts to form a dark, permanent pigment.
32.
Identify poly-protic acid among the following?
Correct Answer: C. H₃PO₄
One-liner
H₃PO₄ (Phosphoric acid) is a poly-protic acid because it can donate three protons (H⁺ ions) per molecule.
33.
Which acid is used for toilet cleaning and should be handled with great care due to its powerful nature?
Correct Answer: C. Muriatic acid
One-liner
Muriatic acid (a commercial name for hydrochloric acid) is used for toilet cleaning and must be handled with great care due to its highly corrosive nature.
34.
Past Paper MCQ
What type of acid is used in car batteries?
Correct Answer: C. Sulphuric acid
One-liner
Sulphuric acid is the acid used in car batteries as the electrolyte.
35.
Which of the following is an example of a solution that conducts electricity?
Correct Answer: A. Acids
One-liner
Acids conduct electricity because they dissociate into ions when dissolved in water, allowing the flow of electric current.
36.
When pH is lower, the acid is:
Correct Answer: A. Stronger
One-liner
When pH is lower, the acid is stronger because pH is inversely related to the concentration of hydrogen ions (H⁺) in a solution.
37.
Which of the following solutions will be more Acidic?
Correct Answer: A. pH = 1
One-liner
A solution with pH = 1 is the most acidic because lower pH values indicate stronger acidity on the pH scale.
38.
Which of the following is not an Arrhenius acid?
Correct Answer: C. CO₂
One-liner
CO₂ is not an Arrhenius acid because it does not release H⁺ ions when dissolved in water.
39.
Which of the following acids is known by the name HCl?
Correct Answer: D. Hydrochloric acid
One-liner
HCl is the chemical formula for Hydrochloric acid.
40.
Glacial acetic acid is miscible with _?
Correct Answer: D. All of these
One-liner
Glacial acetic acid is miscible with all of these (water, ether, and alcohol).

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Acids Used in Everyday Life MCQs with Answers

Acids Used in Everyday Life MCQs (31–40)

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