Home
Class 12
CHEMISTRY
Write the modern definition of antibioti...

Write the modern definition of antibiotics. Who discovered penicillin? What is its effect on mi-crobes?

Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    R G PUBLICATION|Exercise EXERCISE|129 Videos

  • COORDINATION COMPOUNDS

    R G PUBLICATION|Exercise EXERCISE|112 Videos

Similar Questions

Explore conceptually related problems

What is antibiotic? Give the name of the first antibiotic discovered.

Write the formula of Freon 12. What is its effect on the atmosphere?

How is the molality of a solution different from its molarity? What is the effect of change in temperature of a solution on its molarity and molality?

. A wire is replaced by another wire of same length and material but of twice diameter. (/) What will be the effect on the increase in its length under a given load? (//) What will be the effect on the maximum load which it can bear?

If the earth stops rotating about its own axis, what is the effect on the value of weight of any object on the surface of earth?

What is Holme's signals? Write its use

Write the Chemical name of Saccharin. What is its sweetness value?

For the reaction A+Brarr product, rate law expression for rate = k [A][B]^2 If the volume of the vessel is reduced to 1/3 of its original volume, then what will be the effect on the rate of reaction?

What is a photon? Write its properties.

What is a transmitter. Write its use.

R G PUBLICATION-CHEMISTRY IN EVERYDAY LIFE -EXERCISE
  1. Why Chemicals are added to food?

    Text Solution

    |

  2. Write the Chemical name of Saccharin. What is its sweetness value?

    Text Solution

    |

  3. What are food preservatives?

    Text Solution

    |

  4. Write the constituents of shaving soap.

    Text Solution

    |

  5. Give an example of a hair conditioner deter-gent.

    Text Solution

    |

  6. Why should not mediciens be taken without consulting doctors?

    Text Solution

    |

  7. How drugs are classified? Decribe in brief.

    Text Solution

    |

  8. Describe the two different ways that a drug inhibit the attachment of ...

    Text Solution

    |

  9. When you suffer from cold, there is nasal congestion. Which chemical i...

    Text Solution

    |

  10. Write the function of aspirin.

    Text Solution

    |

  11. Write the modern definition of antibiotics. Who discovered penicillin?...

    Text Solution

    |

  12. Define broad spectrum, narrow spectur, anti-biotics. Classify the foll...

    Text Solution

    |

  13. What are disinfectants? Give two examples.

    Text Solution

    |

  14. Write the different components of soap. Why do soaps not work in hard ...

    Text Solution

    |

  15. Mention one advantage of the use of synthetic detergent over soap.

    Text Solution

    |

  16. What are biodegradable & non-biodegradable detergents? Give one exampl...

    Text Solution

    |

  17. What are associated colloids? Briefly describe the cleansing action of...

    Text Solution

    |

  18. Explain the following terms with suitable ex-ample: Cationic detergent...

    Text Solution

    |

  19. Explain the following terms with suitable ex-ample: Non-ionic detergen...

    Text Solution

    |

  20. Match the two columns:

    Text Solution

    |