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IGCSE O Level Chemistry MCQs (O Level) From Textbook

IGCSE O Level Chemistry Certification MCQs – Mock Test 135

College Chemistry Notes Questions with Answers PDF Download – Test 135

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Learn College Chemistry Notes Questions and Answers PDF to pursue online chemistry. Download the College Chemistry Quiz Answers PDF e-Book, Ch. 9-135 to study IGCSE O Level Chemistry Practice Tests. Study Methods of purification MCQ Questions PDF, College Chemistry Multiple Choice Questions (MCQ Quiz) for chemistry concept understanding. Free College Chemistry Study App: Download the IGCSE O Level Chemistry Notes App to study college chemistry, chemistry reactions, salts: hydrogen of acids, electrical devices and circuit symbols test prep for chemistry remote learning flexibility.

Download the "College Chemistry Study" App (iOS & Android): Rare freezing of seawater can be explained through; MCQ with answers: presence of impurities like salts, lowering the freezing point of water, elevation of the boiling point, and presence of breathing animals in it. Study Methods of purification Questions and Answers, Apple Book to download free chapter to pursue online chemistry.

College Chemistry MCQs – Mock Test 135 PDF Download

MCQ 671: Rare freezing of seawater can be explained through:

  1. lowering the freezing point of water
  2. presence of impurities like salts
  3. presence of breathing animals in it
  4. elevation of the boiling point

MCQ 672: If NaOH(aq) reacts with HCl(aq), reaction can be known as:

  1. combustion
  2. Thermal decomposition
  3. Neutralization
  4. Respiration

MCQ 673: Consider the equation, Fe+3(aq) + 3OH-(aq) → Fe(OH)3(s). The precipitate of Iron(III) Hydroxide will be of:

  1. green color
  2. blue color
  3. brown color
  4. white color

MCQ 674: Electrodes refer to the:

  1. switches in a battery
  2. metal plates carrying electricity in the liquid
  3. solution in electrolytic cell
  4. solute in electrolytic cell

MCQ 675: In H2O molecule, unbounded electrons in oxygen are:

  1. 1
  2. 2
  3. 3
  4. 4

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