The presence of impurities in iron

Materials of Construction Mcqs
BILAL KHATTAK0

A.lowers the melting point
B.raises the melting point
C.has no effect on melting point
D.makes iron malleable

Related Mcqs:

  1. Presence of impurities in ice
  2. Which of the following form of iron is produced as a result of annealing of white cast iron?
  3. Generally for the melting of cast iron, electric furnaces are not used because
  4. Pure iron melts at 1500?C. Presence of carbon
  5. The presence of sulphur in pig iron makes
  6. Iron pipes lying under acidic soil are often attached to blocks of magnesium for protection from rusting. Magnesium offers protection to iron against corrosion because it
  7. Grey cast iron is produced
  8. White cast iron is produced
  9. Which of the following is the least pure from of iron?
  10. Percentage of carbon is least in case of

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