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You are provided with a sample and a strip of red litmus paper. How would you confirm the nature of the sample?
  • a)
    Dip the litmus paper in the sample
  • b)
    Dip the litmus paper in a dilute solution of NaCl and then put three drops of the liquid sample on it
  • c)
    Put four drops of the liquid sample on the litmus paper.
  • d)
    Dip the litmus paper in a dilute solution of NaOH and then put 2 drops of the liquid sample on it.
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
You are provided with a sample and a strip of red litmus paper. How wo...
As here only red litmus is given therefore it could not indicate the acidic solution
therefore it is first dipped in Dil solution of NaOH so that it may turn blue and after that we pour drops of soln if the soln is acidic it would turn blue litmus to red and if it is basic it could remain in same colour and if it is neutral it colour changes to slightly yellowish
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Most Upvoted Answer
You are provided with a sample and a strip of red litmus paper. How wo...
As here only red litmus is given therefore it could not indicate the acidic solution


therefore it is first dipped in Dil solution of NaOH so that it may turn blue and after that we pour drops of soln if the soln is acidic it would turn blue litmus to red and if it is basic it could remain in same colour and if it is neutral it colour changes to slightly yellowish
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Community Answer
You are provided with a sample and a strip of red litmus paper. How wo...
May be the given solution is a acid so red litmus will not have any action on it and to show the action of the sample on the red litmus, the red litmus was dipped in NaOH solution to make the red litmus turn blue (we know, bases turn red litmus blue) and after that this blue litmus (which was previously red) is dipped into the solution so that the solution turns this litmus paper red and shows its acidic behaviour.
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You are provided with a sample and a strip of red litmus paper. How would you confirm the nature of the sample?a)Dip the litmus paper in the sampleb)Dip the litmus paper in a dilute solution of NaCl and then put three drops of the liquid sample on itc)Put four drops of the liquid sample on the litmus paper.d)Dip the litmus paper in a dilute solution of NaOH and then put 2 drops of the liquid sample on it.Correct answer is option 'D'. Can you explain this answer?
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You are provided with a sample and a strip of red litmus paper. How would you confirm the nature of the sample?a)Dip the litmus paper in the sampleb)Dip the litmus paper in a dilute solution of NaCl and then put three drops of the liquid sample on itc)Put four drops of the liquid sample on the litmus paper.d)Dip the litmus paper in a dilute solution of NaOH and then put 2 drops of the liquid sample on it.Correct answer is option 'D'. Can you explain this answer? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about You are provided with a sample and a strip of red litmus paper. How would you confirm the nature of the sample?a)Dip the litmus paper in the sampleb)Dip the litmus paper in a dilute solution of NaCl and then put three drops of the liquid sample on itc)Put four drops of the liquid sample on the litmus paper.d)Dip the litmus paper in a dilute solution of NaOH and then put 2 drops of the liquid sample on it.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for You are provided with a sample and a strip of red litmus paper. How would you confirm the nature of the sample?a)Dip the litmus paper in the sampleb)Dip the litmus paper in a dilute solution of NaCl and then put three drops of the liquid sample on itc)Put four drops of the liquid sample on the litmus paper.d)Dip the litmus paper in a dilute solution of NaOH and then put 2 drops of the liquid sample on it.Correct answer is option 'D'. Can you explain this answer?.
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