Synthetic Indicators
Trending Questions
Q. Choose the examples of a synthetic indicator.
- Methyl orange
- Red cabbage
- Methyl red
- Phenolpthalein
Q.
Phenolphthalein shows blue colour in acidic medium.
- True
- False
Q. What happens to blue litmus paper when it is dipped in vinegar?
- It turns red.
- It turns dark blue.
- It turns black.
- It turns green.
Q. You have been provided with three test tubes. One of them contains distilled water and the other two have an acidic solution and a basic solution respectively. If you are given only red litmus paper, how will you identify the contents of each test tube?
Q. Which of the following are natural indicators?
- Phenolphthalein
- China rose
- Turmeric
- Methyl orange
- Litmus
- Onion
- Baking soda
- Red cabbage