Home
Class 12
CHEMISTRY
Which of the following elements , presen...

Which of the following elements , present in the ink of newspaper is harmful for human body ?

A

Hg

B

Pb

C

Ca

D

Ni

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • PREVIOUS YEAR QUESTION PAPER 2019

    CHHAYA PUBLICATION|Exercise WBCHSE 2019 (SECTION II )|51 Videos
  • PREVIOUS YEAR QUESTION PAPER 2019

    CHHAYA PUBLICATION|Exercise WBJEE 2019|18 Videos
  • PREVIOUS YEAR QUESTION PAPER 2018

    CHHAYA PUBLICATION|Exercise NEET 2018|18 Videos
  • PREVIOUS YEAR QUESTION PAPER 2016

    CHHAYA PUBLICATION|Exercise NEET 2016 [ Phase- II]|16 Videos

Similar Questions

Explore conceptually related problems

Which of the following element(s) is/are present in bronze?

Which of the following enzymes are present in the acrosome of human sperm?

Which one of the following elements is not present in nitrogenous base?

Which of the following is present in both plasma and serum in humans.

Ink gland are present in

Which one of the following elements is present as inpurity in pig iron in the largest amount -

Ink-gland is present in

Which of the following is used as indelible ink -

Which is most harmful for human being-

Which of the following is most harmful for our body ?

CHHAYA PUBLICATION-PREVIOUS YEAR QUESTION PAPER 2019-WBJEE 2019
  1. Which of the following elements , present in the ink of newspaper is h...

    Text Solution

    |

  2. In the equilibrium H(2) + I(2) hArr 2HI , if at a given temperature th...

    Text Solution

    |

  3. Which one of the following electronic arrangement is absurd ?

    Text Solution

    |

  4. The quantity h v// K(B) corresponds to -

    Text Solution

    |

  5. In the crystalline solid MSO(4) , n H(2)O of molar mass 250 g * mol...

    Text Solution

    |

  6. At S.T.P. the volume of 7.5 g of a gas is 5.6 L . The gas is -

    Text Solution

    |

  7. The second Ionisation Energy of the following elements follows the ord...

    Text Solution

    |

  8. The melting points of (i) BeCl(2) (ii) CaCl(2) and (iii) HgCl(2) follo...

    Text Solution

    |

  9. Which of these species will have non -zero magnetic moment ?

    Text Solution

    |

  10. The first electron affinity of C , N and O will be of the order -

    Text Solution

    |

  11. The H-N-H angle in ammonia is 107.6^(@) , while the H-P-H angle in pho...

    Text Solution

    |

  12. The conformations of n-butane , commonly known as eclipsed , gauche an...

    Text Solution

    |

  13. The correct order of the addition reaction rates of halogen acids with...

    Text Solution

    |

  14. The indicated atom is not a nucleophilic site in -

    Text Solution

    |

  15. Which of the following mixtures will have the lowest pH at 298 K ?

    Text Solution

    |

  16. For the equilibrium H(2) O(l) hArr H(2) O (v) , which of the followin...

    Text Solution

    |

  17. For a van der Waal's gas , the term ((ab)/(sqrt2)) represents some -

    Text Solution

    |

  18. At constant pressure , the heat of formation of a compound is not depe...

    Text Solution

    |

  19. Which of the following chemicals may be used to identify three unlabel...

    Text Solution

    |