Method of Purification Quiz Questions and Answers 7 PDF Download

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Quiz on Method of Purification Worksheet 7Quiz PDF Download

Method of Purification Quiz

MCQ: Alternative techniques to crystallization involve

  1. decanting
  2. centrifuging
  3. filtration
  4. Both A and B

D

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

A

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

B

Mass, Volume, Time and Temperature Quiz

MCQ: Electronic thermometers

  1. are mercury in glass thermometer
  2. alcohol in glass thermometer
  3. are used to reduce the risk of mercury poisoning if broken
  4. are greatly replaced by alcohol in glass thermometer

C

Protons, Neutrons and Electrons Quiz

MCQ: In periodic table, period number indicates number of

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

D