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IGCSE O Level Chemistry Competitive Exam: Mock Test 59

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The Chemical and Ionic Equations Notes Questions and Answers PDF (Chemical and Ionic Equations Quiz Answers PDF e-Book) download Ch. 3-59 to study IGCSE O Level Chemistry Practice Tests. Learn Chemical Formulae and Equations MCQ Questions PDF, Chemical and Ionic Equations Multiple Choice Questions (MCQ Quiz) to study online IGCSE GCSE courses. Free Chemical and Ionic Equations Notes App Download: IGCSE O Level Chemistry Notes e-Book PDF to study chemical and ionic equations, molar mass, proton and nucleon number, exothermic reactions test prep to learn free online courses.

The Quiz: What is correct about acids; "Chemical & Ionic Equations" App (iOS, Android) with answers: they are aqueous, they are solid crystals, they are liquid, and they are gases to learn free online courses. Study Chemical Formulae and Equations Questions and Answers, Apple Book to download free sample for online colleges for teaching.

Chemical & Ionic Equations Quiz with Answers PDF Download: MCQs 59

MCQ: 291

What is correct about acids?

  1. they are solid crystals
  2. they are aqueous
  3. they are gases
  4. they are liquid
MCQ: 292

Molar mass of Calcium Carbonate CaCO3 is

  1. 100.0869 g/mol
  2. 99.0154 g/mol
  3. 110.018 g/mol
  4. 101.087 g/mol
MCQ: 293

If the nucleon number of potassium is 39, the number of neutrons will be

  1. 39
  2. 19
  3. 20
  4. 29
MCQ: 294

Which one of these is an incorrect statement about an exothermic reaction?

  1. it form a compound which gives out heat while being formed
  2. it contains products that are very stable
  3. it results in overall enthalpy change zero
  4. it gives overall negative enthalpy
MCQ: 295

Consider the reaction: CuO + H2SO4 → CuSO4 + H2O. The salt is obtained through the

  1. crystallization
  2. fractional distillation
  3. vacuum distillation
  4. centrifugation

Chemical & Ionic Equations Competitive Exam: IGCSE O Level Chemistry App & eBook Notes

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