Atoms & Elements Quiz Questions and Answers 5 PDF Download

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Quiz on Atoms & Elements Worksheet 5Quiz PDF Download

Atoms and Elements Quiz

MCQ: Brass is an example of

  1. An alloy
  2. a compound
  3. a mixture
  4. an element


Redox Reactions Quiz

MCQ: If acidified Potassium Dichromate(VI) (K2Cr2O7) acts as oxidizing agent, color changes from

  1. orange to red
  2. orange to green
  3. yellow to green
  4. yellow to red


Atoms and Elements Quiz

MCQ: A particle may be

  1. an atom
  2. a molecule
  3. an isotope
  4. all of these


Periodic Table: O Level Chemistry Quiz

MCQ: If proton (p+) number of an element changes,

  1. it will become an isotope
  2. it will become another element
  3. it will become an electrolyte
  4. it will sublimate immediately


Conductors and Non Conductors Quiz

MCQ: Aluminum (Al) is preferred in overhead power cables because

  1. it is a good conductor
  2. it acts as an insulator, in case of lightening
  3. it prevents accidents
  4. it is lighter in weight