Chemistry

Acids and Bases

579 Questions

Acids and bases questions cover the chemical properties, common examples, and theoretical concepts of acidic and basic substances. Topics include identifying proton acceptors, recognizing amphoteric substances, and knowing the sources of everyday organic acids. These foundational chemistry questions are common across SSC, banking, and railways examinations.

Acid and base propertiesOrganic acidsAmphoteric substancesProton donors and acceptorsChemical formulas

Acids and Bases Questions

Multiple choice

KOH can be classified as

  1. strong acid

  2. weak acid

  3. strong base

  4. weak base

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

KOH can be classified as strong base.

Multiple choice

Which of the following opions is not an example of neutralisation?

  1. Taking antacid when stomach indigestion is there.

  2. Applying calamine solution when ant bites.

  3. Discharge of factory waste into water bodies.

  4. The soil treated by chemical fertilizers is treated with quick lime.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Yes, it is not an example of neutralisation. The factory waste is acidic in nature and so when basic substances are added to the waste, only then neutralisation occurs.

Multiple choice

Which of the following statements is correct?

  1. AlCl3 exists in trimeric form.

  2. BF3 is a lewis base.

  3. Ga2O3 is acidic oxide.

  4. BBr3 is a colourless gas.

  5. Boric acid is monobasic acid.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Boric Acid is monobasic in nature because it does not donate any proton. In fact, it accepts one OH- ion acting as Lewis acid. B(OH)3 + 2H2O → H3O+ + [ B(OH)4]-