KCET SERIES Chemistry
Surface Chemistry
14 previous year questions.
Volume: 14 Ques
Yield: Medium
High-Yield Trend
1
2022 1
2018 1
2015 1
2014 3
2013 1
2012 1
2010 1
2006 2
2005 1
2004 1
2003 Chapter Questions 14 MCQs
01
PYQ 2003
medium
chemistry ID: kcet-200
The concentration of electrolyte required to coagulate a given amount of sol. is minimum in the case of :
1
Potassium sulphate
2
Aluminium nitrate
3
Magnesium nitrate
4
Potassium nitrate
02
PYQ 2004
medium
chemistry ID: kcet-200
Identify the gas which is readily adsorbed by activated charcoal
1
2
3
4
03
PYQ 2005
medium
chemistry ID: kcet-200
An emulsifier is a substance which
1
stabilises the emulsion
2
homogenises the emulsion
3
coagulates the emulsion
4
accelerates the dispersion of liquid in liquid
04
PYQ 2005
medium
chemistry ID: kcet-200
Alum is a water purifier because it
1
coagulates the impurities
2
softens hard water
3
gives taste
4
destroys the pathogenic bacteria
05
PYQ 2006
medium
chemistry ID: kcet-200
An example for autocatalysis is
1
oxidation of to
2
oxidation of to
3
decomposition of to and
4
oxidation of oxalic acid by acidified
06
PYQ 2010
medium
chemistry ID: kcet-201
Which one of the following does not involve coagulation?
1
Clotting of blood by the use of ferric chloride
2
Formation of delta region
3
Treatment of drinking water by potash alum
4
Peptization
07
PYQ 2012
medium
chemistry ID: kcet-201
All colloidal dispersions have
1
very high osmotic pressure
2
low osmotic pressure
3
no osmotic pressure
4
high osmotic pressure
08
PYQ 2013
medium
chemistry ID: kcet-201
Which of the following cations will have minimum flocculation value for arsenic sulphide sol ?
1
2
3
4
09
PYQ 2013
medium
chemistry ID: kcet-201
The stability of a Lyophobic colloid is due to
1
Adsorption of covalent molecules on the colloid
2
The size of the particles
3
The charge on the particles
4
Tyndall effect
10
PYQ 2013
medium
chemistry ID: kcet-201
Adsorption theory is applicable for
1
Homogeneous catalysis
2
Heterogeneous catalysis
3
Autocatalysis
4
Induced catalysis
11
PYQ 2014
medium
chemistry ID: kcet-201
For Freundlich isotherm a graph of log is plotted against . The slope of the line and its y-axis intercept, respectively corresponds to
1
2
3
4
12
PYQ 2015
medium
chemistry ID: kcet-201
The electrolyte having maximum flocculation value for sol is
1
2
3
4
13
PYQ 2018
easy
chemistry ID: kcet-201
Gold sol is not a
1
a lyophobic colloid
2
negatively charged colloid
3
a macro molecular colloid
4
a multimolecular colloid
14
PYQ 2022
medium
chemistry ID: kcet-202
Which can adsorb larger volume of hydrogen gas ?
1
finely divided platinum
2
Finely divided nickel
3
Colloidal Fe(OH)3
4
Colloidal solution of Palladium