59 Questions
Which of the following is a strong acid?
Hydrochloric acid (HCl)
Which of the following statements about strong bases is true?
They typically come from the hydroxides of alkali metals and some alkaline earth metals.
Which acid is used in the production of fertilizers and explosives?
Nitric acid (HNO₃)
What is the main component of vinegar?
Ethanoic acid (CH₃COOH)
Which of the following is used as a drain cleaner?
Sodium hydroxide (NaOH)
Which acid is found naturally in stomach acid?
Hydrochloric acid (HCl)
Which of the following is used for removing rust?
Oxalic acid (C₂H₂O₄)
Which acid is used in car batteries?
Sulphuric acid (H₂SO₄)
Which of the following is involved in soap production?
Potassium hydroxide (KOH)
Which acid is used as a bleaching agent?
Oxalic acid (C₂H₂O₄)
What is a key characteristic of weak bases?
They do not fully dissociate in water, resulting in a low concentration of hydroxide ions.
Which of the following is an example of a weak base?
Ammonia (NH₃)
What does the term 'concentration' refer to in the context of acids and bases?
The amount of acid or base dissolved in water.
According to the Arrhenius theory, what do acids produce in water?
Hydronium (H₃O⁺) or hydrogen (H⁺) ions
What do bases react with water to increase?
The concentration of OH⁻ ions, leading to an increase in pH.
What is the distinguishing feature of monoprotic acids?
They can donate only one proton per molecule.
Which of the following is an example of a polyprotic acid?
Sulfuric acid (H₂SO₄)
What is the concept of conjugate acid-base pairs based on?
The reversible nature of acid-base reactions.
What are ampholytes?
Substances that can act as both acids and bases, depending on the reaction context.
Which of the following concepts is fundamental to understanding the behavior of substances in aqueous solutions?
All of the above
What is the key difference between strong and weak acids?
Strong acids completely ionize in water, while weak acids only partially ionize.
Which of the following is an example of a strong base?
Sodium Hydroxide (NaOH)
What is the primary use of sulfuric acid (H₂SO₄)?
All of the above
Which of the following is a characteristic of weak acids?
They only partially ionize in water.
What is the main component of vinegar?
Ethanoic Acid (CH₃COOH)
Which of the following is used as a drain cleaner?
Potassium Hydroxide (KOH)
Which acid is found naturally in the human stomach?
Hydrochloric Acid (HCl)
What is the primary use of oxalic acid (C₂H₂O₄)?
As a bleaching agent
Which of the following is involved in the production of biodiesel?
Potassium Hydroxide (KOH)
What is the distinguishing feature of strong bases?
They dissociate completely in water to yield a high concentration of hydroxide ions (OH⁻).
What is a key characteristic of weak bases?
They do not fully dissociate in water and result in a low concentration of hydroxide ions.
Which of the following is an example of a polyprotic acid?
H₂SO₄
According to the Brønsted-Lowry theory, what is the relationship between an acid and its conjugate base?
The acid is a proton donor, and the base is a proton acceptor.
What is the main difference between the concentration and strength of an acid or base?
Concentration refers to the amount of solute relative to the solvent, while strength refers to the inherent ability to dissociate in water.
What is the main difference between the properties of acids and bases according to the Arrhenius theory?
Acids produce H⁺ ions in water, while bases produce OH⁻ ions.
Which of the following is an example of an ampholyte?
H₂O
What is the main difference between monoprotic and polyprotic acids?
Monoprotic acids can donate only one proton per molecule, while polyprotic acids can donate more than one proton per molecule.
What is the concept of conjugate acid-base pairs based on?
The idea that an acid loses a proton to form its conjugate base, and a base gains a proton to form its conjugate acid.
What is the main effect of a base reacting with water?
It increases the OH⁻ ion concentration, leading to an increase in pH.
Which of the following is a characteristic of strong bases?
They have a bitter taste and a slippery feel.
What is a defining characteristic of ampholytes?
They can act as both acids and bases
Which theory states that acids are proton donors and bases are proton acceptors?
Brønsted-Lowry Theory
What happens when a base reacts with water?
Increase in OH⁻ ion concentration
What is the primary function of diprotic acids like H₂SO₄?
Can donate two protons per molecule
Why are strong bases considered more caustic than weak bases?
They have higher OH⁻ ion concentration
What is the primary difference between concentrated and dilute solutions?
Amount of solute relative to the solvent
Which acid-base theory focuses on the production of H⁺ ions by acids in water?
Arrhenius Theory
How do weak bases differ from strong bases in terms of hydroxide ion concentration?
Weak bases have higher OH⁻ ion concentration.
What is the characteristic taste associated with acids?
Sour taste
Which of the following statements accurately describes the behavior of strong acids in water?
They completely dissociate, releasing all their available hydrogen ions.
Which of the following is a key characteristic that distinguishes strong bases from weak bases?
Strong bases yield a high concentration of hydroxide ions (OH⁻) in solution, while weak bases yield a lower concentration.
Which of the following statements accurately describes the behavior of weak acids in water?
They partially ionize, producing a low concentration of hydronium ions.
Which of the following acids is primarily used in the production of fertilizers and explosives?
Nitric acid (HNO₃)
Which of the following substances is involved in the production of biodiesel fuel?
Potassium hydroxide (KOH)
Which of the following is a primary use of sulfuric acid (H₂SO₄)?
Fertilizer production
Which of the following substances is used as a dehydrating agent?
Sulfuric acid (H₂SO₄)
Which of the following acids is found naturally in stomach acid?
Hydrochloric acid (HCl)
Which of the following substances is used for removing rust?
Oxalic acid (C₂H₂O₄)
Which of the following is the main component of vinegar?
Ethanoic acid (CH₃COOH)
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