gs

Card Set Information

Author:
wajed
ID:
270405
Filename:
gs
Updated:
2014-04-13 05:25:52
Tags:
gs
Folders:

Description:
gs
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user wajed on FreezingBlue Flashcards. What would you like to do?


  1. Brass gets discoloured in air because of the presence of which of the following gases in air?


    A.Oxygen
    B.Carbon dioxide
    C.Nitrogen
    D.Hydrogen sulphide
    D.Hydrogen sulphide
    (this multiple choice question has been scrambled)
  2. Which of the following is a non metal that remains liquid at room temperature?


    A.Phosphorous
    B.Bromine
    C.Chlorine
    D.Helium
    B.Bromine
    (this multiple choice question has been scrambled)
  3. Chlorophyll is a naturally occurring chelate compound in which central metal is


    A.calcium
    B.iron
    C.copper
    D.magnesium
    D.magnesium
    (this multiple choice question has been scrambled)
  4. Which of the following is used in pencils?


    A.Graphite
    B.Silicon
    C.Charcoal
    D.Phosphorous
    A.Graphite
    (this multiple choice question has been scrambled)
  5. Which of the following metals forms an amalgam with other metals?


    A.Lead
    B.Tin
    C.Mercury
    D.Zinc
    C.Mercury
    (this multiple choice question has been scrambled)
  6. Chemical formula for water is


    A.H2O
    B.CaSiO3
    C.NaAlO2
    D.Al2O3
    A.H2O
    (this multiple choice question has been scrambled)
  7. The gas usually filled in the electric bulb is


    A.carbon dioxide
    B.nitrogen
    C.hydrogen
    D.oxygen
    B.nitrogen
    (this multiple choice question has been scrambled)

What would you like to do?

Home > Flashcards > Print Preview