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Questions and Answers
What color does blue litmus paper turn when in contact with the acid?
What color does blue litmus paper turn when in contact with the acid?
- Green
- Purple
- Red (correct)
- Blue
What is the purpose of using various indicators in the experiment?
What is the purpose of using various indicators in the experiment?
- To increase the acidity of the solution
- To detect the presence of an acid or a base by observing color changes (correct)
- To neutralize the effect of the acid
- To dilute the acid solution
What is the role of dilute hydrochloric acid in this experiment?
What is the role of dilute hydrochloric acid in this experiment?
- To observe the acidity of the indicators
- To change the color of the indicators
- To be tested with various indicators (correct)
- To neutralize the indicators
Which indicator is used to detect the presence of an acid in the form of a color change?
Which indicator is used to detect the presence of an acid in the form of a color change?
Why are both synthetic and natural indicators used in this experiment?
Why are both synthetic and natural indicators used in this experiment?
What is the purpose of using various indicators in the experiment?
What is the purpose of using various indicators in the experiment?
Why is phenolphthalein used as an indicator in this experiment?
Why is phenolphthalein used as an indicator in this experiment?
What color does blue litmus paper turn when in contact with the acid?
What color does blue litmus paper turn when in contact with the acid?
What is the role of dilute hydrochloric acid in this experiment?
What is the role of dilute hydrochloric acid in this experiment?
What color change is observed when turmeric powder solution is in contact with the acid?
What color change is observed when turmeric powder solution is in contact with the acid?
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