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Chemistry Questions and Answers

General Science
97. Acetyle salicylic acid is commonly used as
 
  • A. tear gas
  • B. a fertilizer
  • C. a pain killer
  • D. a sedative
 
 
98. A solution of potassium nitrate is
 
  • A. alkaline
  • B. neutral
  • C. acidic
  • D. none of these
 
99. Which gas is commonly filled in giant balloons ?
 
  • A. hydrogen
  • B. helium
  • C. hydrogen sulphide
  • D. carbon dioxide
 
100. The chemical name of quartz is
 
  • A. calcium oxide
  • B. calicum phosphate
  • C. sodium silicate
  • D. sodium phosphate