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IGCSE O Level Chemistry Certification Exam Tests

IGCSE O Level Chemistry Practice Test 19

Atoms and Elements Quiz PDF: Questions and Answers - 19

The Atoms and Elements Quiz Questions and Answers PDF, Atoms and Elements Quiz Answers PDF e-Book download Ch. 6-19 to solve IGCSE O Level Chemistry Practice Tests. Learn Elements, Compounds and Mixtures MCQ Questions PDF, Atoms and Elements Multiple Choice Questions (MCQ Quiz) to study online GCSE courses. The Atoms and Elements Quiz App: Free download educational app for atoms and elements, acidity or alkalinity, chemical and ionic equations, oxidation and reduction, electrolyte and non electrolyte test prep for online college courses.

The Quiz: Symbol of Magnesium is; "Atoms & Elements Quiz" App (iOS & Android) with answers: Mn; Mg; Hg; M; for online college courses. Study Elements, Compounds and Mixtures Questions and Answers, Google eBook to download free sample for two year degree programs.

Atoms & Elements Questions and Answers PDF Download: Quiz 19

MCQ 91:

Symbol of Magnesium is

  1. Mg
  2. Mn
  3. Hg
  4. M
MCQ 92:

In Universal indicators, a pH of 7 is shown with

  1. yellow color
  2. green color
  3. blue color
  4. pink color
MCQ 93:

The formula of copper carbonate is

  1. CuCO3
  2. CuCO2
  3. CuCHO3
  4. CuCOH
MCQ 94:

Old paintings can be restored through an oxidizing agent

  1. H2S
  2. H2O2
  3. H2PO4
  4. H3O
MCQ 95:

Weak electrolytes include which of the following?

  1. limewater Ca(OH)2
  2. ammonia solution NH3
  3. Carbonic acid H2CO3
  4. all of above

IGCSE O Level Chemistry Exam Prep Tests

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Atoms & Elements App (Android & iOS)

Atoms & Elements App (Android & iOS)

O Level Chemistry App (Android & iOS)

O Level Chemistry App (iOS & Android)

A level Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)

9th Grade Chemistry App (Android & iOS)

9th Grade Chemistry App (iOS & Android)