Home
Class 11
CHEMISTRY
What are pesticides and herbicides? Expl...

What are pesticides and herbicides? Explain giving examples.

Text Solution

Verified by Experts

Pesticides are a mixture of two or more substances. They are used for killing pests. Pests include insects, plant pathogens, weeds, mollusks, etc., that destroy the plant crop and spread diseases. Aldrin and dieldrin are the names of some common pesticides Herbicides are pesticides specially meant for killing weeds. For example, sodium chlorate `(NAClO_(3))`, sodium arsenite `(Na_(3)AsO_(3))`, etc.
Promotional Banner

Topper's Solved these Questions

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    NCERT|Exercise EXERCISE|40 Videos

  • EQUILIBRIUM

    NCERT|Exercise EXERCISE|73 Videos

Similar Questions

Explore conceptually related problems

Which pesticide is a herbicide

What do you mean by a precipitation reaction? Explain by giving examples.

What are electrophiles and nucleophiles ? Explain with examples.

What are herbicides? Give one example.

NCERT-ENVIRONMENTAL CHEMISTRY-EXERCISE
  1. Define environmental chemistry.

    Text Solution

    |

  2. Explain tropospheric pollution in 100 words.

    Text Solution

    |

  3. Carbon monoxide gas is more dangerous than carbon dioxide gas. Why?

    Text Solution

    |

  4. List gases which are responsible for greenhouse effect.

    Text Solution

    |

  5. Statues and monuments in India are affected by acid rain. How?

    Text Solution

    |

  6. What is smog? How is classical smog different from photochemical smogs...

    Text Solution

    |

  7. Write down the reactions involved during the formation of photochemica...

    Text Solution

    |

  8. What are the harmful effects of photochemical smog and how can they be...

    Text Solution

    |

  9. What are the reactions involved for ozone layer depletion in the strat...

    Text Solution

    |

  10. What do you mean by ozone hole? What are its consequences?

    Text Solution

    |

  11. What are the major causes of water pollution? Explain.

    Text Solution

    |

  12. Have you ever observed any water pollution in your area? What measures...

    Text Solution

    |

  13. What do you mean by Biochemical Oxygen Demand (BOD)?

    Text Solution

    |

  14. Do you observe any soil pollution in your neighbourhood? What efforts ...

    Text Solution

    |

  15. What are pesticides and herbicides? Explain giving examples.

    Text Solution

    |

  16. What do you mean by green chemistry? How will it help decrease environ...

    Text Solution

    |

  17. What would have happened if the greenhouse gases were totally missing ...

    Text Solution

    |

  18. A large number of fish are suddenly found floating dead on a lake. The...

    Text Solution

    |

  19. How can domestic waste be used as manure?

    Text Solution

    |

  20. For your agricultural field or garden you have developed a compost pro...

    Text Solution

    |