O Level Courses

IGCSE O Level Chemistry Certification Exam Tests

IGCSE O Level Chemistry Practice Test 7

Method of Purification Quiz PDF: Questions and Answers - 7

The Method of Purification Quiz Questions and Answers PDF, Method of Purification Quiz Answers PDF Download e-Book Ch. 9-7 to solve IGCSE O Level Chemistry Practice Tests. Learn Methods of purification MCQ Questions PDF, Method of Purification Multiple Choice Questions (MCQ Quiz) to study distance learning courses. The Method of Purification Quiz App Download: Free educational app for method of purification, electrolyte and non electrolyte, redox reactions, mass, volume, time and temperature, protons, neutrons and electrons test prep for SAT subject tests.

The Quiz: Alternative techniques to crystallization involve; "Method of Purification" App (iOS & Android) with answers: Centrifuging; Decanting only; Filtration; Decanting and centrifuging; for SAT subject tests. Study Methods of purification Questions and Answers, Google eBook to download free sample for online degree programs.

Method of Purification Questions and Answers PDF Download: Quiz 7

MCQ 31:

Alternative techniques to crystallization involve

  1. decanting only
  2. centrifuging
  3. filtration
  4. decanting and centrifuging
MCQ 32:

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
MCQ 33:

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
MCQ 34:

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
MCQ 35:

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

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

IGCSE O Level Chemistry Exam Prep Tests

Method of Purification Learning App: Free Download Android & iOS

The App: Method of Purification Quiz App to learn Method of Purification textbook, O Level Chemistry Quiz App, and SAT Chemistry Quiz App. The "Method of Purification Quiz" App to free download Android & iOS Apps includes complete analytics with interactive assessments. Free download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Method of Purification App (Android & iOS)

Method of Purification App (Android & iOS)

O Level Chemistry App (Android & iOS)

O Level Chemistry App (iOS & Android)

SAT Chemistry App (Android & iOS)

SAT Chemistry App (Android & iOS)

College Chemistry App (Android & iOS)

College Chemistry App (iOS & Android)