Kerala PSC Previous Years Question Paper & Answer
Page:6
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'ASSITANT TESTER CUM GAUGER MALABAR CEMMENTS LTD' And exam conducted in the year 2018. And Question paper code was '023/2018/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
Question48:-The oxidation number of sulphur in *"H_250_4"" is
5جديم
B:-+4
C:-+6
0:-+2
Correct Answer:- Option-C
Question49:-n = 3, | = 2 represent which orbital
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B:-3d
C:-3p
D:-3f
Correct Answer:- Option-B
Question50:-The protective action of colloids are expressed in terms of
A:-Gold Number
B:-Octane number
C:-Atomic number
D:-Cetane number
Correct Answer:- Option-A
Question51:-Bronze is an alloy of
A:-Cu with Zn
B:-Cu with Ni
C:-Fe with Ni
D:-Cu with Sn
Correct Answer:- Option-D
Question52:-Vitamin C is
A:-Cobalamine
B:-Riboflavin
C:-Calciferol
D:-Ascorbic acid
Correct Answer:- Option-D
Question53:-Atoms of different elements having same number of neutrons are called
A:-Isotopes
B:-Isobars
C:-Isotones
D:-lsomers
Correct Answer:- Option-C
Question54:-Sulphide ores are concentrated by
A:-Froth floatation method
B:-Magnetic separation
C:-Hydraulic washing
D:-Leaching
Correct Answer:- Option-A
Question55:-The thermal decompaosition of HI on gold surface is a reaction of
A:-First order
B:-Zero order
C:-Fractional order
D:-Second order
Correct Answer:- Option-B
Question56:-Among the following which is used as dehydrating reagent
A:-Alcoholic KOH
fied *"KMnO_4™
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D:-""Conc.H_2S0 «
Correct Answer:- Option-D
Question57:-General outer electronic configuration of group 15 elements are
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572೧೧7:
572೧೧76"
0: 52705"