10th Class Science Metals and Non-metals / धातु और अधातु Question Bank

done Self Test-7 Total Questions - 10

• question_answer1)
  Which one of the following is electropositive in nature?
  A)
   I done clear
  B)
   At done clear
  C)
   Po done clear
  D)
   Rb done clear
  E)
   None of these done clear
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• question_answer2)
  Which one of the following is the most malleable metal?
  A)
   Ag done clear
  B)
   Au done clear
  C)
   Zn done clear
  D)
   Rb done clear
  E)
   None of these done clear
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• question_answer3)
  The metals which can be cut with the knife is:
  A)
   Na done clear
  B)
   At done clear
  C)
   Ca done clear
  D)
   Rb done clear
  E)
   None of these done clear
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• question_answer4)
  Which one of the following is the amphoteric oxide?
  A)
   \[{{H}_{2}}O\] done clear
  B)
   \[CuC{{l}_{2}}\] done clear
  C)
   \[ZnO\] done clear
  D)
   \[CaC{{O}_{3}}\] done clear
  E)
   None of these done clear
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• question_answer5)
  Which one of the following is the ore of aluminium?
  A)
   Tincal done clear
  B)
   Dolomite done clear
  C)
   Zinc blende done clear
  D)
   Bauxite done clear
  E)
   None of these done clear
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• question_answer6)
  Which one of the following method is used for concentration of ore of antimony (stibnite)?
  A)
   Levigation done clear
  B)
   Froth floatation            done clear
  C)
   Liquation done clear
  D)
   Magnetic separation       done clear
  E)
   None of these       done clear
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• question_answer7)
  The mixture of iron oxide and aluminium powder is called:       
  A)
   Thermite done clear
  B)
   Gunpowder              done clear
  C)
   Cryolite done clear
  D)
   Malachite                 done clear
  E)
   None of these       done clear
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• question_answer8)
  The iron obtained by mixing steel scrap with melted pig iron is called: H
  A)
   Wroutiron done clear
  B)
   Pig iron                       done clear
  C)
   Cast iron done clear
  D)
   Molten iron                   done clear
  E)
   None of these       done clear
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• question_answer9)
  Which one of the following is not the allotropic form of sulphur?
  A)
   Monoclinic sulphur done clear
  B)
   Rhombic sulphur              done clear
  C)
   Milk of sulphur done clear
  D)
   Bulk minister fluorine done clear
  E)
   None of these             done clear
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• question_answer10)
  What is the form of ordinary sulphur?                             
  A)
   \[S\] done clear
  B)
   \[{{S}_{2}}\]                                done clear
  C)
   \[{{S}_{4}}\] done clear
  D)
   \[{{S}_{8}}\]                             done clear
  E)
   None of these done clear
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