IGCSE O Level Chemistry Practice Test 137

Periodic Table: O Level Chemistry Quiz Questions and Answers PDF Download | 137

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The Periodic Table O Level Chemistry Quiz Questions and Answers PDF (Periodic Table O Level Chemistry Quiz with Answers PDF e-Book) download Ch. 14-137 to learn IGCSE O Level Chemistry Practice Tests. Solve Structure of Atom MCQ with answers PDF, Periodic Table O Level Chemistry Multiple Choice Questions (MCQ Quiz) for online college classes. The Periodic Table: O Level Chemistry Quiz App Download: Free IGCSE O Level Chemistry App to learn periodic table: o level chemistry, acids: properties and reactions, conductors and non conductors test prep for ACT prep classes.

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Periodic Table: O Level Chemistry Questions and Answers PDF Download: MCQ 137

MCQ: 681

The same number of shells are found in elements of

same group
same period
same type
same mass number

MCQ: 682

What is true about hydroxonium ions (H₃O⁺)?

they can only exist in water
they are lesser ionic
they are highly covalent
none of above

MCQ: 683

Examples of conductors include

mercury
Diamond
sulphur
phosphorus

MCQ: 684

Acids react with metal carbonates to form

salt, water, hydrogen gas
salt, water, CO₂
salt and gas only
salt and water only

MCQ: 685

Electrolysis can be useful for

electroplating
electro refining
electro coating
none of above

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