Home
Class 9
CHEMISTRY
Answer the following question: Mention ...

Answer the following question:
Mention the names of four scientists who worked on radioactivity.

Promotional Banner

Topper's Solved these Questions

  • SUBSTANCES IN COMMON USE

    NAVNEET PUBLICATION|Exercise EXERCISE|124 Videos

  • MEASUREMENT OF MATTER

    NAVNEET PUBLICATION|Exercise EXERCISE|166 Videos

Similar Questions

Explore conceptually related problems

Answer the following questions: Define work.

Answer the following question: How does a computer work?

Answer the following questions: Give two examples of positive work done

Answer the following questions : Name the types of hydrocarbons.

Answer the following questions: Name the various forms of energy.

Answer the following questions: Give two examples of negative work done.

Answer the following questions: Give two examples of zero work done.

Answer the following questions: Name any pace maker of human heart.

Answer the following question: Give four examples of radioactive elements.

Answer the following question: Explain four ways to minimize stress?

NAVNEET PUBLICATION-SUBSTANCES IN COMMON USE-EXERCISE
  1. Answer the following question: Define radioactivity: What are radioac...

    Text Solution

    |

  2. What is meant by radioactivity?

    Text Solution

    |

  3. Answer the following question: Mention the names of four scientists w...

    Text Solution

    |

  4. Answer the following question: Give four examples of radioactive elem...

    Text Solution

    |

  5. Answer the following question: Give four examples of radioactive elem...

    Text Solution

    |

  6. Answer the following question: Give four examples of radioactive elem...

    Text Solution

    |

  7. State properties of alpha rays.

    Text Solution

    |

  8. Answer the following question: State any three characterstic properti...

    Text Solution

    |

  9. Answer the following question: State any three characterstic properti...

    Text Solution

    |

  10. Answer the following question: When is the nucleus said to be unstabl...

    Text Solution

    |

  11. Answer the following question: State three used of radiactive isotope...

    Text Solution

    |

  12. Give the uses of radioactive isotopes in Field of agriculture.

    Text Solution

    |

  13. Answer the following question: State three uses of radioactive isotop...

    Text Solution

    |

  14. Write the uses of : Radioactive substances

    Text Solution

    |

  15. Answer the following question: Write the harmful effects of radioacti...

    Text Solution

    |

  16. What problems do you get after playing colours on Rang Panchami?

    Text Solution

    |

  17. What problem do you have on painting the house and furniture?

    Text Solution

    |

  18. Answer the following question: Write the harmful effects of artifical...

    Text Solution

    |

  19. Answer the following question: What is meant by dye?

    Text Solution

    |

  20. Answer the following question: State the uses of Artificial dye.

    Text Solution

    |