IGCSE O Level Chemistry Practice Test 92

Percent Composition of Elements Multiple Choice Questions (MCQs) PDF Download - 92

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The Percent Composition of Elements MCQ with Answers PDF (Percent Composition of Elements Multiple Choice Questions (MCQs) PDF e-Book) download Ch. 3-92 to prepare IGCSE O Level Chemistry Practice Tests. Study Chemical Formulae and Equations Test PDF, Percent Composition of Elements Multiple Choice Questions (MCQ Quiz) for GRE test prep classes. The Percent Composition of Elements MCQ Quiz App Download: Free certification app for percent composition of elements, chemistry reactions, proton and nucleon number, catalysts and enzymes, basic acidic neutral and amphoteric test prep to study online certificate courses.

The MCQ Quiz: In Calcium Chloride, the percentage composition of Calcium is; "Percent Composition of Elements" App (Play Store & App Store) with answers: 0.3722; 0.4621; 0.4621; 0.36112; for GRE test prep classes. Practice Chemical Formulae and Equations Questions and Answers, Apple Book to download free sample for best accredited online colleges.

Percent Composition of Elements MCQ Quiz with Answers PDF Download: Test 92

MCQ 456:

In Calcium Chloride, the percentage composition of Calcium is

0.4621
0.3722
0.4621
0.36112

MCQ 457:

Products of reaction CuO + HNO₃ → are

Cu₂NO₃ + H₂O
Cu(NO₃)₂ + H₂O
Cu(NO₃)₂ + H₂
Cu(NO₂)₄ + H₂

MCQ 458:

Extra stability is gained in the third shell if the number of electrons is

MCQ 459:

Many catalysts are

noble gases
transition metals
non-metals
inert gases

MCQ 460:

Consider the equation ZnO + NaOH + H₂O → Na₂Zn(OH)₄. Moles of H₂O required to balance the equation would be

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