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Indian Navy Pilot Acids, Bases and Salts — practice questions

Explore 3 free Acids, Bases and Salts questions in Indian Navy Pilot Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Acids, Bases and Salts questions and exercises with answers

Showing questions 1–3 of 3.

A solution turns red litmus blue and has pH = 11. The solution is:Read the answer and worked solution →Which of the following gives the correct increasing order of acidic strength?Read the answer and worked solution →Which of the following is not a mineral acid?Read the answer and worked solution →

Worked practice questions

A solution turns red litmus blue and has pH = 11. The solution is:

  1. weakly acidic
  2. strongly acidic
  3. neutral
  4. strongly basic
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Correct answer: D. strongly basic

pH > 7 means basic, and pH ≥ 10 indicates a fairly strong base. Red-litmus-to-blue confirms it.

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Which of the following gives the correct increasing order of acidic strength?

  1. Water <Hydrochloric acid <Acetic acid
  2. Acetic acid <Water <Hydrochloric acid
  3. Hydrochloric acid <Water <Acetic acid
  4. Water <Acetic acid <Hydrochloric acid
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Correct answer: D. Water <Acetic acid <Hydrochloric acid

This Acids, Bases and Salts item tests a core Chemistry concept. Correct answer: Water <Acetic acid <Hydrochloric acid. _Source: syllabus Exemplar Science Class 10_

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Which of the following is not a mineral acid?

  1. Hydrochloric acid
  2. Sulphuric acid
  3. Citric acid
  4. Nitric acid
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Correct answer: C. Citric acid

This Acids, Bases and Salts item tests a core Chemistry concept. Correct answer: Citric acid. _Source: syllabus Exemplar Science Class 10_

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