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IGCSE O Level Chemistry Practice Test 7

Method of Purification Quiz PDF: Questions and Answers - 7

Free Method of Purification Quiz Questions and Answers, method of purification Quiz MCQs PDF, chapter 9-7 to study online igcse chemistry degree programs. Study Methods of purification MCQ Questions PDF, method of purification Multiple Choice Questions (MCQ Quiz) for online college degrees. Free educational app: Method of Purification Trivia App Download & e-Book 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 Download (Android & iOS) Free with answers centrifuging, decanting only, filtration and decanting and centrifuging to study distance learning courses. Practice 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

A) decanting only
B) centrifuging
C) filtration
D) decanting and centrifuging

MCQ 32: If molten Lead Bromide (PbBr2) is electrolyzed,

A) at anode, brown fumes of bromide gas are given off
B) at anode, molten lead can be seen
C) at cathode, brown fumes can be seen
D) 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

A) Chromate (V) ions
B) Chromium (III) ions
C) Chromium (II) ions
D) Chromium (VI) ions

MCQ 34: Which one of them is correct about electronic thermometers?

A) there is mercury in glass thermometer
B) there is alcohol in glass thermometer
C) they are used to reduce the risk of mercury poisoning if broken
D) none of above

MCQ 35: In the periodic table, the period number indicates the number of

A) neutrons
B) protons
C) electrons
D) photons

IGCSE O Level Chemistry Exam Prep Tests

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Method of Purification App (Android & iOS)

Method of Purification App (Android & iOS)

O Level Chemistry App (Android & iOS)

O Level Chemistry App (Android & iOS)

SAT Chemistry App (Android & iOS)

SAT Chemistry App (Android & iOS)

9th Grade Chemistry App (Android & iOS)

9th Grade Chemistry App (Android & iOS)