IIT JEE Questions And Answers :: Chemistry Of Non Metals: part2



IIT JEE : Chemistry Of Non Metals QUESTIONS AND ANSWERS :: part2 : 16 to 20

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

16.Oleum is also called

Peroxydisulphuric acid
Caros acid
Fuming sulphuric acid
Magic acid.

17.Which of the following does not contain silicon element.

Quartz
Kaolinite
Asbestos
Fluorapatite.

18.Orthoboric acid on dehydration at 373 K produces mainly

metaboric acid
boric anhydride
boron metal and oxygen
pure boric acid.

19.Borax bead test is applicable to coloured salt because coloured salts

are very unstable
are highly stable
form coloured metaborates
decolorize during the test.

20.The variety of glass that is used for the manufacture of optical instruments is

Sodium glass
Flint glass
Ground glass
Quartz.

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

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