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Which of the following statements about acids and bases is/are correct?
I. Acids have a pH less than 7.
II. Bases have a pH greater than 7.
III. Neutral solutions have a pH of 7.
IV. Acids turn blue litmus paper red.
  • a)
    I and III only
  • b)
    II and IV only
  • c)
    I, II, and III only
  • d)
    I, II, III, and IV
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Which of the following statements about acids and bases is/are correct...
All the given statements are correct. Acids have a pH less than 7 and turn blue litmus paper red, bases have a pH greater than 7, and neutral solutions have a pH of 7.
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Most Upvoted Answer
Which of the following statements about acids and bases is/are correct...
Explanation:

Acids and Bases
- Acids have a pH less than 7, indicating that they are acidic in nature.
- Bases have a pH greater than 7, indicating that they are basic in nature.
- Neutral solutions have a pH of 7, which means they are neither acidic nor basic.
- Acids turn blue litmus paper red, which is a common test to distinguish between acids and bases.
Therefore, all the statements provided in the question are correct.
- Statement I: Acids have a pH less than 7 (True)
- Statement II: Bases have a pH greater than 7 (True)
- Statement III: Neutral solutions have a pH of 7 (True)
- Statement IV: Acids turn blue litmus paper red (True)
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Which of the following statements about acids and bases is/are correct?I. Acids have a pH less than 7.II. Bases have a pH greater than 7.III. Neutral solutions have a pH of 7.IV. Acids turn blue litmus paper red.a)I and III onlyb)II and IV onlyc)I, II, and III onlyd)I, II, III, and IVCorrect answer is option 'D'. Can you explain this answer?
Question Description
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