Home
Class 7
CHEMISTRY
Prepare red cabbage juice by boiling a p...

Prepare red cabbage juice by boiling a piece of red cabbage in water. Use it as an inidicator and test acidic and basic solutions with it. Present your observations in the form of a table.

Promotional Banner

Topper's Solved these Questions

  • ACIDS AND BASES

    NCERT TELUGU|Exercise Improve your learning |22 Videos
  • Acid And Bases

    NCERT TELUGU|Exercise Exercise |44 Videos
  • AIR, WINDS AND CYCLONES

    NCERT TELUGU|Exercise Improve your learning|13 Videos

Similar Questions

Explore conceptually related problems

Test the following salt substances with red litmus and blue litmus papers. Record your observations in the table.

Collect some salt substances with the help of your teacher. Make their salt solutions. Test the salt solutions with blue litmus and red litmus papers. Classify these salts and record your observations in the table.

Collect the salt samples like sodium chloride, aluminium chloride, copper sulphate, sodium acetate, ammonium chloride, sodium hydrogen carbonate and sodium carbonate. Dissolve them in distilled water. Check the action of these solutions with litmus papers. Find the pH using pH paper. Classify them into acidic, basic or neutral salts. Identify the acid and base used to form the above salts. Record your observations in table

Take the following substances and test them with Phenolphthalein and Methyl orange solutions. Draw a table and record your observations. Substances Orange, Tomatoes, Baking soda, Mineral water, Vinegar, Salt water, Shampoo, Washing soda.

Nitrogen, sulphur and halogens are tested from the sodium fusion extract of the organic compound which is commonly known as Lassaigne's extract. For preparing Lassaigen's extract, a small quanty of the organic compound is fused with sodium metal in a fusion tube. The red tube is broken in distilled water, boiled and filtered. This filtrate is known as Lassaigne's extract or sdodium fusion extract. Which of the following is not applicable to Lassaigne's test

Rearrange the following sentences is a correct order (i)Collect the white ash and dissolve it in a little water(ii) The red litmus turns into blue colour and so the solution is basic in nature. (iii) Burn a small piece of Magnesium ribbon by holding it with tongs(iv) Touch the solution formed and test this solution with blue litmus and red litmus.

Acidic, basic and neutral solutions are given in three test and you are given a strip of red litmus. How will you identify the three solutions?

Nitrogen, sulphur and halogens are tested from the sodium fusion extract of the organic compound which is commonly known as Lassaigne's extract. For preparing Lassaigen's extract, a small quanty of the organic compound is fused with sodium metal in a fusion tube. The red tube is broken in distilled water, boiled and filtered. This filtrate is known as Lassaigne's extract or sdodium fusion extract. In the process of testing elements in Lassaigne's a test, which of the following reactions do not occur.

NCERT TELUGU-ACIDS AND BASES-Improve your learning
  1. Prepare red cabbage juice by boiling a piece of red cabbage in water. ...

    Text Solution

    |

  2. The sting of a wasp is basic. How can we treat the sting of a wasp?

    Text Solution

    |

  3. Why are acids not stored in a metal container?

    Text Solution

    |

  4. Acidic, basic and neutral solutions are given in three test and you ar...

    Text Solution

    |

  5. When drops of lemon juice are put on blue litmus it turns red. What wi...

    Text Solution

    |

  6. What happens when nitric acid is added to egg shell?

    Text Solution

    |

  7. Turmeric stains on white clothes, when washed with soap, turn red. Why...

    Text Solution

    |

  8. Ammonia is present in window cleaners. It turns red litmus blue. What ...

    Text Solution

    |

  9. What is the nature of urea? It is acdic/basic/netural? How can we veri...

    Text Solution

    |

  10. Red litmus paper is dipped in a solution. It remains red. What is the ...

    Text Solution

    |

  11. What is the effect of basic substances on turmeric paper?

    Text Solution

    |

  12. Can flowers and turmeric papers also be called as indicators. Why?

    Text Solution

    |

  13. Correct the statement if it is wrong: Indicators show different colou...

    Text Solution

    |

  14. Correct the statement if it is wrong: Sodium hydroxide blue litmus re...

    Text Solution

    |

  15. Correct the statement if it is wrong: Tooth decay is caused by the pr...

    Text Solution

    |

  16. Take vinegar, lemon juice, soapy water, baking soda in different vesse...

    Text Solution

    |

  17. Visit a doctor. Find out the medicines she prescribes to treat acidity...

    Text Solution

    |

  18. Prepare red cabbage juice by boiling a piece of red cabbage in water. ...

    Text Solution

    |

  19. Collect different flowers and prepare their natural indicators with th...

    Text Solution

    |

  20. Test the nature of lemon juice and milk sample with the help of natura...

    Text Solution

    |

  21. How do you feel about nature? It is a big natural laboratory that cont...

    Text Solution

    |