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IGCSE A Level Chemistry MCQs – Mock Test 144

Catalysts MCQ with Answers PDF Download – Test 144

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Catalysts MCQ – Mock Test 144 PDF Download

MCQ 716: During catalytic process nitrogen oxides and carbon monoxide is adsorbed on:

  1. catalyst surface
  2. reactant
  3. products
  4. combustion chamber

MCQ 717: When crops are harvested, the nitrogen in the harvested portions is:

  1. reduced
  2. increased
  3. oxidized
  4. kept same

MCQ 718: The percentage by mass of any element is calculated with the help of:

  1. formula of compound only
  2. relative atomic masses only
  3. nucleon number
  4. formula of compound and relative atomic masses

MCQ 719: The species gaining electrons will be reduced and act as:

  1. reducing agent
  2. oxidizing agent
  3. neutralizing agent
  4. reagent

MCQ 720: In calcium chloride, Calcium looses:

  1. one electron
  2. two electrons
  3. three electrons
  4. four electrons

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