Atoms & Elements Quiz Questions and Answers 5 PDF Download

Practice atoms & elements quiz, O level chemistry quiz 5 for online learning. Free chemistry MCQs questions and answers to practice atoms & elements MCQs with answers. Practice MCQs to test knowledge on atoms and elements, redox reactions, periodic table: o level chemistry, conductors and non conductors worksheets.

Free atoms & elements worksheet has multiple choice quiz question as brass is an example of, answer key with choices as an alloy, a compound, a mixture and an element problem solving to test study skills. For online learning, viva help and jobs' interview preparation tips, study elements, compounds & mixtures multiple choice questions based quiz question and answers.

Quiz on Atoms & Elements Quiz PDF Download Worksheet 5

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 the 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