Home
Class 7
CHEMISTRY
Why are pickles, jams, jellies preserved...

Why are pickles, jams, jellies preserved in glass, porcelein and plastic containers?

Promotional Banner

Topper's Solved these Questions

  • CHANGES AROUND US

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|84 Videos

Similar Questions

Explore conceptually related problems

Glasses and plastics are

Pickles, jams, jellies are not preserved in…………….container.

Why are acids not stored in a metal container?

In Pickles, jams and jellies, the invaded bacteria die due to

Why food materials are packed in air tight containers ?

Which of the following is the closest reason for preserving acids in plastic bottles ?

Why are pressure cookers provided with wooden or plastic handles ?

Classify the material as biodegradable and non biodegradable : plastic container.

What are used as preservatives while making pickles?

Assertion (A) : Shopkeepers usually keep biscuits, sweets, etc. in transparent containers of glass or plastic. Reason (R) : Buyers could see through the transparent materials.

VGS PUBLICATION-BRILLIANT-ACIDS AND BASES-EXERCISE
  1. How is it possible to make believe Blood comes out of a lemon ?

    Text Solution

    |

  2. Why are the inner sides of vessels made up of brass and copper coated ...

    Text Solution

    |

  3. Why are pickles, jams, jellies preserved in glass, porcelein and plast...

    Text Solution

    |

  4. Ravi said that acid rains are causing damage. Do you agree with his st...

    Text Solution

    |

  5. You are given Hydrochloric acid. How can you make it into a solution w...

    Text Solution

    |

  6. You are asked to make the given caustic soda solution into neither aci...

    Text Solution

    |

  7. Why is the use of natural organic manure becoming more preferred ?

    Text Solution

    |

  8. Why is our sweat salty?

    Text Solution

    |

  9. Which of the following is not a natural acid ?

    Text Solution

    |

  10. A blue litmus turns red when it reacts with

    Text Solution

    |

  11. Name the acid present in lemon juice

    Text Solution

    |

  12. Ant releases this acid.

    Text Solution

    |

  13. When methyl orange is mixed with citric acid it turns

    Text Solution

    |

  14. Phenolphthalein turns ........... in basic solution.

    Text Solution

    |

  15. Lemon Juice + Marble = ............

    Text Solution

    |

  16. Neutralization of Hydrochloric acid solution with Caustic soda solutio...

    Text Solution

    |

  17. The substance that turns blue litmus to red are in nature.

    Text Solution

    |

  18. Turmeric paper is natural……………….

    Text Solution

    |

  19. The substance that turns red litmus to blue are……………in nature.

    Text Solution

    |

  20. Burning sensation of ant bite is caused by……………

    Text Solution

    |