IGCSE O Level Chemistry Entrance Exam MCQs – Mock Test 5

Atoms and Elements Quiz with Answers PDF – Download Test 5

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Study Atoms and Elements Quiz Questions and Answers PDF for chemistry educational mobility. Download the Atoms and Elements Quiz with Answers PDF e-Book, Ch. 6-5 to learn IGCSE O Level Chemistry Practice Tests. Solve Elements, Compounds and Mixtures MCQ with answers PDF, Atoms and Elements Multiple Choice Questions (MCQ Quiz) for chemistry virtual curriculum access. Download the Atoms and Elements Learning App: Free IGCSE O Level Chemistry Quiz App to learn atoms and elements, redox reactions, periodic table: o level chemistry test prep to improve chemistry mobility.

The "Atoms & Elements Quiz" App Download: Brass is an example of an/a; MCQ with answers: compound, alloy, element, and mixture. Learn Elements, Compounds and Mixtures Questions and Answers, Apple iBook to download free chapter for chemistry educational mobility.

Atoms & Elements Quiz PDF Download – Mock Test 5

MCQ 21: Brass is an example of an/a:

alloy
compound
mixture
element

MCQ 22: If acidified Potassium Dichromate(VI) (K₂Cr₂O₇) acts as oxidizing agent, color changes from:

orange to red
orange to green
yellow to green
yellow to red

MCQ 23: A particle maybe a/an:

atom
molecule
isotope
all of above

MCQ 24: If the proton (p⁺) number of an element changes, it will become a/an:

isotope
another element
electrolyte
none of above

MCQ 25: Aluminum (Al) is preferred in overhead power cables because:

it is a good conductor
it acts as an insulator, in case of lightening
it prevents accidents
it is lighter in weight

Atoms & Elements Quiz App & eBook – IGCSE O Level Chemistry Textbook Tests

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