Page 15 - ECAT Past Paper 2006

ECAT PAST PAPER-2006 BY www.studyplex.net

A) Position isomerism B) Functional group isomerism
C) Metamerism D) Tautamerism

Q.81 Synthetic rubber is made by the polymerization of;
A) Chloroform B) Acetylene
C) Divinyl acetylene D) Chloroprene
Q.82 Which compound is most reactive one?
A) Benzene B) Ethane
C) Ethyne D) Ethene
Q.83 Which one of the following is not a nucleophile?
A) H2O B) H2S
C) BF3 D) NH3
Q.84 Which compound shows H-bonding?
A) C2H6 B) C2H5Cl
C) CH3OCH3 D) C2H5OH
Q.85 Ketones are prepared by the oxidation of;
A) Primary alcohol B) Secondary alcohol
C) Tertiary alcohol D) None
Q.86 Which of the following is not a fatty acid?
A) Propanoic acid B) Acetic acid
C) Phthalic acid D) Butanoic acid
Q.87 The polymeric substance that is formed in the liquid state and then hardened to a rigid
solid is called;
A) Rubber B) Plastic
C) Fiber D) Varnish
Q.88 The word paper is derived from the name of which reedy plant?
A) Papyrus B) Rose
C) Sunflower D) Jasmine
Q.89 The ph range of acid rain is;
A) 7-6.5 B) 6.5-6
C) 6-5.6 D) Less than 5
Q.90 Newspapers can be recycled up to how many times?
A) 2 B) 3
C) 4 D) 5