Home
Class 12
CHEMISTRY
What are food preservatives ?...

What are food preservatives ?

Text Solution

Verified by Experts

Food preservatives are chemicals that prevent food from spoilage due to microbial growth. Table salt, sugar, vegetable oil, sodium benzoate `(C_6 H_3 CO ONa)`, and salts of propanoic acid are some examples of food preservatives.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    NCERT ENGLISH|Exercise SOLVED EXAMPLE|1 Videos

  • COORDINATION COMPOUNDS

    NCERT ENGLISH|Exercise Exercise|41 Videos

Similar Questions

Explore conceptually related problems

What are preservatives and antioxidants used in food materials?

Which of the following are not used as food preservatives ?

Give two examples for each of the following substances : food preservatives

Assertion (A) All chemicals added to food items are called food preservatives. Reason (R) All these chemicals increase the nutritive value of the food.

(a) Why is bithional added to soap ? (b) What is tincture of iodine ? Write its one use. (c) Among the following , which one acts as a food preservative ? Aspartame , Aspirin , Sodium Benzoate , Paracetamol

Which of the following can be used as food preservative ?

Name a food preservative which is most commonly used by food producers.

Sodium salts of some acids are very useful as food preservatives. Suggest a few such acids ?

Give examples of food preservatives.

What are following ? Give one example of each (i) Sweetening agents (ii) Food preservatives (iii) Antibiotics

NCERT ENGLISH-CHEMISTRY IN EVERYDAY LIFE-Exercise
  1. Low level of noradrenaline is the cause of depression. What type of dr...

    Text Solution

    |

  2. What is meant by the term ‘broad spectrum antibiotics’ ? Explain.

    Text Solution

    |

  3. How do antiseptics differ from disinfectants ? Give one example of eac...

    Text Solution

    |

  4. Why are cimetidine and ranitidine better antacids than sodium hydrogen...

    Text Solution

    |

  5. Name a substance which can be used as an antiseptic as well as disinfe...

    Text Solution

    |

  6. What are the main constituents of dettol ?

    Text Solution

    |

  7. What is tincture of iodine ? What is its use ?

    Text Solution

    |

  8. What are food preservatives ?

    Text Solution

    |

  9. Why is use of aspartame limited to cold foods and drinks ?

    Text Solution

    |

  10. What are artificial sweetening agents ? Give two examples.

    Text Solution

    |

  11. Name the sweetening agent used in the preparation of sweets for a diab...

    Text Solution

    |

  12. What is the problem faced while using alitame as artificial sweetner ?

    Text Solution

    |

  13. How are synthetic detergents better than soaps ?

    Text Solution

    |

  14. Explain the following terms with suitable examples (i) cationic dete...

    Text Solution

    |

  15. What is the biodegradable polymer?Give an example of a biodegradable a...

    Text Solution

    |

  16. Why do soaps not work in hard water ?

    Text Solution

    |

  17. What are soaps and synthetic detergents ? What are the advantages of s...

    Text Solution

    |

  18. Explain the cleansing action of soaps.

    Text Solution

    |

  19. If water contains dissolved calcium hydrogencarbonate, out of soaps an...

    Text Solution

    |

  20. Label the hydrophilic and hydrophobic parts in the following compounds...

    Text Solution

    |