IGCSE A Level Chemistry Exam MCQs – Practice Test 4 (Chapter 22)

Periodicity Notes Questions with Answers PDF Download – Test 4

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Download the Periodicity Study App: When heated, the metal that burns to produce white flames in a jar of oxygen is; MCQ with answers: mg_(s) only, al_(s) only, na_(s), and al_(s)and mg_(s). Practice Properties Variation in Group IV Quiz Questions, download Kobo e-Book (Free Chapter) for chemistry educational resources.

Periodicity Test Questions and Answers PDF Download: MCQ 4

MCQ 16: The best electric insulator in four of the following is:

Al₂O₃
P₄O₁₀
MgO
Na₂O

MCQ 17: When heated, the metal that burns to produce white flames in a jar of oxygen is:

Al_(s) only
Mg_(s) only
Na_(s)
Al_(s)and Mg_(s)

MCQ 18: Silicon is classified as:

semi-metal only
metalloid only
non-metals
semi-metal and metalloid

MCQ 19: Electronegativity of oxygen is equal to:

4.04
3.44
4.5
2.2

MCQ 20: Consider the reaction: Al₂O₃+NaOH + H₂O (l) → NaAl(OH)₄ (aq). The moles of NaOH required to balance the equation are:

Periodicity Exam Prep – IGCSE A Level Chemistry Notes App & e-Book

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