Science - Chemistry

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Which one of the following is used as an explosive ?

  • a
  • b
  • c
  • d
  • OOPS, your answer is incorrect

Which one of the following pairs of metals constitutes the lightest metal and the heaviest metal, respectively ?

  • a
  • b
  • c
  • d
  • OOPS, your answer is incorrect

     

Mixture of which one of the following pairs of gases is the cause of occurrence of most of the explosions in mines ?

  • a
  • b
  • c
  • d
  • OOPS, your answer is incorrect

Which one of the following is also called stranger Gas ?

  • a
  • b
  • c
  • d
  • OOPS, your answer is incorrect

What are Rubies and Sapphires chemically known as ?

  • a
  • b
  • c
  • d
  • OOPS, your answer is incorrect

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