IGCSE O Level Chemistry Practice Test 62

Periodic Table: O Level Chemistry MCQ (Multiple Choice Questions) PDF - 62

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Periodic Table: O Level Chemistry Questions and Answers PDF Download: Quiz 62

MCQ 306: First element in periodic table to have 8 valence electrons is

A) nitrogen

B) oxygen

C) fluorine

D) neon

MCQ 307: Soda water (H₂CO₃_(aq)) has a pH of

A) 1

B) 2

C) 3

D) 4

MCQ 308: Consider the equation Al₂O₃ + NaOH + H₂O →NaAl(OH)₄. Balancing of the equation requires how many moles of NaOH?

A) 1

B) 2

C) 3

D) 4

MCQ 309: Chromatography is especially useful for

A) foods only

B) drugs only

C) salt solutions

D) food and drugs

MCQ 310: While plotting decrease in mass against time, a flat curve shows

A) fastest reaction

B) reaction is slower

C) that the reaction is over

D) that the reaction is endless

IGCSE O Level Chemistry Exam Prep Tests

Ions and Ionic Bonds MCQs

Relative Molecular Mass MCQs

Evaporation MCQs

Distillation: Purification Process MCQs

Pure Substances and Mixtures MCQs

Acids: Properties and Reactions MCQs

Chemical formulas MCQs

Atoms and Elements MCQs

Redox Reactions MCQs

Periodic Table: O Level Chemistry MCQs

Conductors and Non Conductors MCQs

Electrolyte and Non Electrolyte MCQs

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