Basic quizzes

Q.1 What among following is used to produce artificial rain ?
       A.copper oxide
       B.carbon monoxide
       C.silver iodide

       D.silver nitrate

Answer:-C

Q.2 Nail polish remover contains ?
      A.benzene
      B.acetic acid
      C.acetone

      D.petroleum ether

Answer:-C

Q.3 Air contains maximum amount of
      A.oxygen
      B.nitrogen
      C.hydrogen

      D.carbon dioxide

Answer:-B