(Download) CBSE Class X Chemistry Guess Paper: 2012 - Set - II

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Guess Paper – 2012
Class – X
Subject – Chemistry
(Periodic Classification)


i) The Dobereiner’s triad is

a) Li , Na,K b) Li ,Na,Ca c) Both d) None

ii) Which one is more metallic than Mg?

a) Be b) B c) Si d) Ca

iii) The radioactive elements are

a) Ra , Fr b) Ra , Mg c) Fr , In d) Ra , Ca

iv) The elements of group-2 are also called

a) Alkali metals b) Halogens c) Inert gases d) Alkaline Earth Metals

v) The maximum no. of electrons in M-shell of an atom

a) 2 b) 8 c) 10 d) 10