CTET 2 Math and Science Jan 2012 Paper
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Question : 82 of 120
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In order to determine acidic, basic or neutral character of solutions, a student tabulated the following results after experimentation. Which of the following observations has been tabulated correctly?
| Case | Test Solution | Colour change on red litmus paper | Colour change on blue litmus paper | Acidic/Basic/Neutral |
|---|---|---|---|---|
| A | NaCl | No change | Red | Acidic |
| B | Lime water | Red | No change | Neutral |
| C | Vinegar | No change | No change | Neutral |
| D | Washing soda | Blue | No change | Basic |
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