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

A

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

C

Atoms and Elements Quiz

MCQ: A particle may be

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

D

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

B

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

D