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

Disclaimer: This website is not at associated with CBSE, For official website of CBSE visit - www.cbse.nic.in


Guess Paper – 2012
Class – X
Subject – Chemistry
(Carbon & its Compounds)


i) Butane has ________ number of covalent bonds.

a) 6 b) 9 c) 11 d) 13

ii) Ethanol reacts with sodium to give

a) Sodium Chloride b) Sodium Carbonate c) Sodium Bromide d) Sodium Ethoxide

iii) Combustion of Methane release

a) CO2 b) H2O c) Energy d) All

iv) Name the functional group of the symbol >C=O

a) Ketone b) Aldehydes c) Alcohols d) Carboxylic Acids

v) Covalent bonds are formed by _________ of _________.

a) Sharing, Electron b) Donating, Electron c) Both d) None

NEW!  CBSE Papers PDF: Class-X, Class-XII