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Chemistry Questions and Answers

General Science
93. Mass number of an element represents number of
 
  • A. protons and neutrons
  • B. electrons and neutrons
  • C. protons and electrons
  • D. none of these
 
94. Boiling point of sulphuric acid is
 
  • A. 320° C
  • B. 100 ° C
  • C. 420 ° C
  • D. 593 ° C
 
 
95. Zinc is not present in
 
  • A. brass
  • B. bronze
  • C. solder
  • D. german silver
 
96. Butane dioic acid
 
  • A. malconic acid
  • B. adipic acid
  • C. succinic acid
  • D. glutaric acid