Environmental And Organic Chemistry

3 Questions
  1. 1
    Lead, ingested or inhaled, is a health hazard. After the addition of lead to petrol has been banned, what still are the sources of lead poisoning?
    1. Smelting units
    2. Pens and pencils
    3. Paints
    4. Hair oils and cosmetics
    Select the correct answer using the codes given below:
    UPSC CSE I - 2012
  2. 2

    When ants bite, they inject

    UPSC CSE I - 1999
  3. 3

    Assertion (a): Formic acid is a stronger acid than acetic acid.
    Reason (R): Formic acid is an organic acid.

    UPSC CSE I - 1998