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Method of Purification Quiz Questions and Answers PDF Download eBook p. 7

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Quiz on Method of Purification PDF Download eBook

Method of Purification Quiz

MCQ: Alternative techniques to crystallization involve

  1. decanting only
  2. centrifuging
  3. filtration
  4. decanting and centrifuging


Electrolyte and Non Electrolyte Quiz

MCQ: If molten Lead Bromide (PbBr2) is electrolyzed,

  1. at anode, brown fumes of bromide gas are given off
  2. at anode, molten lead can be seen
  3. at cathode, brown fumes can be seen
  4. at cathode, lead bromide can be seen


Redox Reactions Quiz

MCQ: In an acidified solution of Potassium Dichromate(VI) (K2Cr2O7), Dichromate ion (Cr2O7-2) becomes reduced to

  1. Chromate (V) ions
  2. Chromium (III) ions
  3. Chromium (II) ions
  4. Chromium (VI) ions


Mass, Volume, Time and Temperature Quiz

MCQ: Which one of them is correct about electronic thermometers?

  1. there is mercury in glass thermometer
  2. there is alcohol in glass thermometer
  3. they are used to reduce the risk of mercury poisoning if broken
  4. none of above


Protons, Neutrons and Electrons Quiz

MCQ: In the periodic table, the period number indicates the number of

  1. neutrons
  2. protons
  3. electrons
  4. photons