GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 057

GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 057

561). Freezing mixture may contain ice and
A). sodium chloride
B). calcium chloride
C). potassium iodide
D). all the three

Answer: sodium chloride


   
562). Lunar caustic is
A). NaNO3
B). AgNO3
C). Ag2SO4
D). NaOH

Answer: AgNO3



   
563). Global warming is due to the release of this gas
A). hydrogen
B). oxygen
C). carbon di oxide
D). nitrogen

Answer: carbon di oxide


   
564). Which metal does not form amalgam?
A). Fe
B). Cu
C). Zn
D). Ag

Answer: Fe


   
565). Which of the following electronic configurations is the stablest?
A). d^2
B). p^2
C). s^2
D). f^2

Answer: s^2



566). Match list I with list ll correctly and select your answer using the codes given below:
List - l                                             List - ll
a) Natural rubber                       1) Aspartame
b) Luminous paint                      2) Polyisoprene
c) Artificial sweetening agent       3) Cellulose nitrate
d) Gun cotton                             4) Barium sulphide.

Codes:
a b c d
A). 1 2 3 4
B). 2 1 4 3
C). 4 2 1 3
D). 2 4 1 3

Answer: 2 4 1 3


   
567). Which acid does not contain - COOH group?
A). ethanoic acid
B). oxalic acid
C). phthalic acid
D). picric acid

Answer: picric acid


   
568). Calciferol is
A). Vitamin A
B). Vitamin B
C). Vitamin C
D). Vitamin D

Answer: Vitamin D


   
569). All acids essentially contain this element
A). chlorine
B). hydrogen
C). oxygen
D). sulphur

Answer: hydrogen

   
570). Atomic number denotes
A). the number of neutrons in an atom
B). the number of protons in an atom
C). the total number of protons and neutrons in an atom
D). none of these

Answer: the number of protons in an atom