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MCQs

Total Questions : 526 | Page 53 of 53 pages
Question 521. Value of enthalpy change of vaporization for chlorine is
  1.    7kJ/mole
  2.    90kJ/mole
  3.    45kJ/mole
  4.    10kJ/mole
 Discuss Question
Answer: Option D. -> 10kJ/mole
Answer: (d).10kJ/mole
Question 522. The mixture of metal or metals with non-metals gives off an
  1.    alloy
  2.    allotrope
  3.    isotope
  4.    lattice
 Discuss Question
Answer: Option A. -> alloy
Answer: (a).alloy
Question 523. Giant ionic structures are also name given to
  1.    ionic lattice
  2.    crystal lattice
  3.    metallic lattice
  4.    covalent lattice
 Discuss Question
Answer: Option A. -> ionic lattice
Answer: (a).ionic lattice
Question 524. Metals can be hammered into different shapes and drawn into wires hence they are
  1.    soft
  2.    malleable
  3.    strong
  4.    weaker
 Discuss Question
Answer: Option B. -> malleable
Answer: (b).malleable
Question 525. There are strong attractive forces between metal ions and delocalized electrons gives
  1.    high tensile strength only
  2.    hardness only
  3.    color
  4.    high tensile strength and hardness
 Discuss Question
Answer: Option D. -> high tensile strength and hardness
Answer: (d).high tensile strength and hardness
Question 526. Diamonds are hard and
  1.    do not conduct electricity
  2.    bear high melting point
  3.    bear high boiling point
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above

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