IGCSE O Level Chemistry Certification MCQs – Mock Test 135
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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.
MCQ 671: Rare freezing of seawater can be explained through:
MCQ 672: If NaOH(aq) reacts with HCl(aq), reaction can be known as:
MCQ 673: Consider the equation, Fe+3(aq) + 3OH-(aq) → Fe(OH)3(s). The precipitate of Iron(III) Hydroxide will be of:
MCQ 674: Electrodes refer to the:
MCQ 675: In H2O molecule, unbounded electrons in oxygen are:
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