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Which of the following is a strong acid? (2021) 2021

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Question: Which of the following is a strong acid? (2021) 2021

Options:

  1. HCl
  2. CH3COOH
  3. H2CO3
  4. NH3

Correct Answer: HCl

Exam Year: 2021

Solution:

Hydrochloric acid (HCl) is a strong acid that completely dissociates in water.

Which of the following is a strong acid? (2021) 2021

Practice Questions

Q1
Which of the following is a strong acid? (2021) 2021
  1. HCl
  2. CH3COOH
  3. H2CO3
  4. NH3

Questions & Step-by-Step Solutions

Which of the following is a strong acid? (2021) 2021
  • Step 1: Understand what a strong acid is. A strong acid is one that completely breaks apart into ions when dissolved in water.
  • Step 2: Identify the acid in the question. In this case, we are looking for hydrochloric acid (HCl).
  • Step 3: Check if HCl is a strong acid. HCl completely dissociates in water, meaning it breaks down into H+ and Cl- ions.
  • Step 4: Conclude that since HCl completely dissociates, it is indeed a strong acid.
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