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Ayush and Ishoo were given one-one test tube, one of the test tube containing water and the other containing a solution of sodium hydroxide. They were asked to identify the test tube containing NaOH solution. Which one of the following can be used for correctly identifying the test tube containing the solution of NaOH?
- a)Dilute hydrochloric acid
- b)Blue litmus
- c)sodium carbonate solution
- d)Red litmus
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
Ayush and Ishoo were given one-one test tube, one of the test tube con...
Red litmus has no action in water and turns blue in base.
Most Upvoted Answer
Ayush and Ishoo were given one-one test tube, one of the test tube con...
In order to check that the test tube containing the solution of NaOH, we need Red litmus. Because, Red litmus indicates the presence of NaOH.
So, Option d is right.
So, Option d is right.
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Ayush and Ishoo were given one-one test tube, one of the test tube con...
To identify the test tube containing the solution of NaOH, we can use red litmus paper.
Explanation:
1. Acid-Base Reaction:
When an acid reacts with a base, it results in the formation of water and a salt. In this case, if the test tube contains NaOH (a strong base), it will react with an acid to form water and a salt.
2. Reaction with Dilute Hydrochloric Acid (Option A):
If the test tube containing NaOH is mixed with dilute hydrochloric acid, it will result in a neutralization reaction. The products of this reaction would be water and a salt (NaCl). However, since both water and NaCl are colorless, this reaction alone cannot help us identify the test tube containing NaOH.
3. Reaction with Blue Litmus Paper (Option B):
Blue litmus paper is used to test whether a substance is an acid or a base. If the test tube containing NaOH is tested with blue litmus paper, there will be no change in color. This is because NaOH is a base and does not react with blue litmus paper. Therefore, this option does not help us identify the test tube containing NaOH.
4. Reaction with Sodium Carbonate Solution (Option C):
Sodium carbonate solution is also a base. If the test tube containing NaOH is mixed with sodium carbonate solution, there will be no visible reaction. This is because both NaOH and sodium carbonate are bases and do not react with each other. Therefore, this option does not help us identify the test tube containing NaOH.
5. Reaction with Red Litmus Paper (Option D):
Red litmus paper is used to test whether a substance is an acid or a base. If the test tube containing NaOH is tested with red litmus paper, it will turn blue. This is because NaOH is a base and reacts with red litmus paper, turning it blue. Therefore, this option can be used to correctly identify the test tube containing the solution of NaOH.
Hence, the correct answer is option D - Red litmus.
Explanation:
1. Acid-Base Reaction:
When an acid reacts with a base, it results in the formation of water and a salt. In this case, if the test tube contains NaOH (a strong base), it will react with an acid to form water and a salt.
2. Reaction with Dilute Hydrochloric Acid (Option A):
If the test tube containing NaOH is mixed with dilute hydrochloric acid, it will result in a neutralization reaction. The products of this reaction would be water and a salt (NaCl). However, since both water and NaCl are colorless, this reaction alone cannot help us identify the test tube containing NaOH.
3. Reaction with Blue Litmus Paper (Option B):
Blue litmus paper is used to test whether a substance is an acid or a base. If the test tube containing NaOH is tested with blue litmus paper, there will be no change in color. This is because NaOH is a base and does not react with blue litmus paper. Therefore, this option does not help us identify the test tube containing NaOH.
4. Reaction with Sodium Carbonate Solution (Option C):
Sodium carbonate solution is also a base. If the test tube containing NaOH is mixed with sodium carbonate solution, there will be no visible reaction. This is because both NaOH and sodium carbonate are bases and do not react with each other. Therefore, this option does not help us identify the test tube containing NaOH.
5. Reaction with Red Litmus Paper (Option D):
Red litmus paper is used to test whether a substance is an acid or a base. If the test tube containing NaOH is tested with red litmus paper, it will turn blue. This is because NaOH is a base and reacts with red litmus paper, turning it blue. Therefore, this option can be used to correctly identify the test tube containing the solution of NaOH.
Hence, the correct answer is option D - Red litmus.
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Ayush and Ishoo were given one-one test tube, one of the test tube containing water and the other containing a solution of sodium hydroxide. They were asked to identify the test tube containing NaOH solution. Which one of the following can be used for correctly identifying the test tube containing the solution of NaOH?a)Dilute hydrochloric acidb)Blue litmusc)sodium carbonate solutiond)Red litmusCorrect answer is option 'D'. Can you explain this answer?
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Ayush and Ishoo were given one-one test tube, one of the test tube containing water and the other containing a solution of sodium hydroxide. They were asked to identify the test tube containing NaOH solution. Which one of the following can be used for correctly identifying the test tube containing the solution of NaOH?a)Dilute hydrochloric acidb)Blue litmusc)sodium carbonate solutiond)Red litmusCorrect 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 Ayush and Ishoo were given one-one test tube, one of the test tube containing water and the other containing a solution of sodium hydroxide. They were asked to identify the test tube containing NaOH solution. Which one of the following can be used for correctly identifying the test tube containing the solution of NaOH?a)Dilute hydrochloric acidb)Blue litmusc)sodium carbonate solutiond)Red litmusCorrect 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 Ayush and Ishoo were given one-one test tube, one of the test tube containing water and the other containing a solution of sodium hydroxide. They were asked to identify the test tube containing NaOH solution. Which one of the following can be used for correctly identifying the test tube containing the solution of NaOH?a)Dilute hydrochloric acidb)Blue litmusc)sodium carbonate solutiond)Red litmusCorrect answer is option 'D'. Can you explain this answer?.
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