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CDS II 2015
Question #596
Physics
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Red phosphorus is used in the manufacture of safety matches. This is due to the fact that
A
it shows phosphorescence
B
at ordinary temperature, it is less reactive than other varieties of phosphorus cannot be converted to white
C
it phosphorous on heating
D
it does not react with halogen on heating.
Pick an option above to test your answer
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Science & Technology
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Red phosphorus is used in the manufacture of safety matches. This is due to the fact that | CDS II 2015 Solved PYQ | UPSCGPT