Chemistry Quiz Questions and Answers

5. The shape of crystal of rhombic sulphur is
  A.  Trigonal
  B.  Tetrahedral
  C.  Square planar
  D.  Octahedral
Answer
Ans: D
Octahedral
6. Which one of the following metals occurs in nature in free state?
  A.  Gold
  B.  Sodium
  C.  Aluminium
  D.  Copper
Answer
Ans: A
Gold
7. Which one is a sublime substance?
  A.  Iodine
  B.  Potassium iodide
  C.  Table salt
  D.  Sugar
Answer
Ans: A
Iodine
8. German silver is a mixture of
  A.  Copper and zinc
  B.  Copper and tin
  C.  Aluminium, copper and traces of Mg and Mn
  D.  Copper, nickel and zinc
Answer
Ans: D
Copper, nickel and zinc
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