IIT JEE Questions And Answers :: Chemistry Of Lighter Metals: part1



IIT JEE : Chemistry Of Lighter Metals QUESTIONS AND ANSWERS :: part1 : 1 to 5

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2014 examinations :

1.The ignition mixture in Alumino-thermite process contains a mixture of

Magnesium powder and barium peroxide
Magnesium powder, aluminium and barium peroxide
Magnesium and aluminium powders
Magnesium and aluminium oxide.

2.Zone refining process is used for the

Concentration of an ore
Reduction of a metal oxide
Purification of metals
Purification of an ore.

3.The process in which metal oxide is reduced to metal by aluminium is called

smelting
aluminothermy
hydrothermy
none of these.

4.Which element, amongst the following, has the highest boiling point?

Na
Mg
Ca
K.

5.The principal ore of aluminium is

bauxite
corrundum
cryolite
Feldspar.

More Chemistry Of Lighter Metals QUESTIONS AND ANSWERS available in next pages

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