1) Who among the following discovered Barium?

    a) Nicholas Louis Vanquelin

    b) Humphry Davy

    c) Joseph Black

    d) Adair Crawford

2) Barium does not react with water.True or False?

    a) True

    b) False

3) Barium is used in : 

    a) Drilling fluids

    b) Paint making

    c) Glass making

    d) All of the above

4) Barium sulphate is insoluble in water.True or False?

    a) True

    b) False

5) The Barium compound taken as ' Barium meal ' is :

    a) Barium carbonate

    b) Barium nitrate

    c) Barium chloride

    d) Barium sulphate

6) The Barium compound that was used in the past as rat poison is :

    a) Barium carbonate

    b) Barium nitrate

    c) Barium sulphate

    d) Barium chloride

7) The Barium compound that imparts green colour to fireworks is :

    a) Barium chloride

    b) Barium sulphate

    c) Barium nitrate

    d) Barium carbonate

8) Barite is : 

    a) Barium chloride

    b) Barium sulphate

    c) Barium nitrate

    d) Barium carbonate

9) Witherite is chemically : 

    a) Barium chloride

    b) Barium nitrate

    c) Barium sulphate

    d) Barium carbonate

10) The chemical formula of ' Bologna stone ' is :

    a) Barium carbonate

    b) Barium nitrate

    c) Barium sulphate

    d) Barium chloride

11) BaSO4 on smelting with C produces Ba.True or False?

    a) True

    b) False

12) The second largest producer of Ba is :

    a) USA

    b) India

    c) Canada

    d) China


ANSWERS

1) b    2) b    3) d    4) a    5) d    6) a    7) c    8) b    9) d    10) c    11) b    12) b