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Question 1
Red phosphous is used in the manufacture of safety matches. This is due to the fact that
Question 2
Which one of the following polymeric materials is used for making bulletproof jacket?
Question 3
The unit of ionic product of water (Kw) is:
Question 4
Ferrous sulphate is used in water treatment as a/an
Question 5
Bleaching powder is prepared by passing ________.
Question 6
The gas used to dilute oxygen for breathing by deep sea divers is :
Question 7
Element 106 was discovered by
Question 8
Rare gases are
Question 9
The value of Avogadro Number is
Question 10
The chemical used as a 'fixer' in photography is
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Aug 25SSC & Railway
