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Chemistry Questions and Answers

General Science
53. The acid used in a car battery is
 
  • A. hydrochloric acid
  • B. sulphuric acid
  • C. nitric acid
  • D. carbonic acid
 
 
54. The electropositive element is
 
  • A. bromine
  • B. oxygen
  • C. iodine
  • D. mercury
 
55. Which one of the following is a liquid at room temperature?
 
  • A. iodine
  • B. bromine
  • C. invar
  • D. duralumin
 
56. Which of the following is a metalloid?
 
  • A. arsenic
  • B. potassium
  • C. iron
  • D. copper