Home
Class 7
CHEMISTRY
A white shirt has a yellow stain of curr...

A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washing, the yellow stain turns red. On rinsing the shirt with planty of water, the red stain turns yellow again.
Name the natural indicator present in curry stain.

Text Solution

Verified by Experts

The correct Answer is:
Turmeric
Promotional Banner

Topper's Solved these Questions

  • ACIDS,BASES AND SALTS

    LAKHMIR SINGH & MANJIT KAUR|Exercise EXERCISE|111 Videos
  • FIBRE TO FABRIC

    LAKHMIR SINGH & MANJIT KAUR|Exercise EXERCISE|89 Videos
LAKHMIR SINGH & MANJIT KAUR-ACIDS,BASES AND SALTS-EXERCISE
  1. With which of the following 'milk of Magnesia' be reacted so as to hav...

    Text Solution

    |

  2. When an ant stings a person, it injects a liquid into the skin of the ...

    Text Solution

    |

  3. The two indicators which give red or pink colour on adding a basic sol...

    Text Solution

    |

  4. When an ant stings a person, it causes a burning pain. Which of the fo...

    Text Solution

    |

  5. The substance which can turn blue litmus to red is :

    Text Solution

    |

  6. A yellow stain of turmeric containing curry on a white shirt turns red...

    Text Solution

    |

  7. A certain solution does not change the colour of any indicator. This s...

    Text Solution

    |

  8. Which of the following does not cause acid rain?

    Text Solution

    |

  9. Which of the following is a mineral acid ?

    Text Solution

    |

  10. Which indicator will produce a pink colour on adding a few drops of so...

    Text Solution

    |

  11. Consider the following salts : Sodium sulphate, Sodium carbonate, Am...

    Text Solution

    |

  12. Consider the following salts : Sodium sulphate, Sodium carbonate, Am...

    Text Solution

    |

  13. Consider the following salts : Sodium sulphate, Sodium carbonate, Am...

    Text Solution

    |

  14. Consider the following salts : Sodium sulphate, Sodium carbonate, Am...

    Text Solution

    |

  15. Blue litmus paper is dipped in a solution. It remains blue. What is th...

    Text Solution

    |

  16. If someone is suffering from the problem of acidity after overeating, ...

    Text Solution

    |

  17. A white shirt has a yellow stain of curry. When soap is rubbed on this...

    Text Solution

    |

  18. A white shirt has a yellow stain of curry. When soap is rubbed on this...

    Text Solution

    |

  19. A white shirt has a yellow stain of curry. When soap is rubbed on this...

    Text Solution

    |

  20. You have been provided with three test tubes. One of them contains dis...

    Text Solution

    |