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IGCSE O Level Chemistry Certification Exam Tests

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 MCQ Questions 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

Periodic Table O Level Chemistry Learning App & Free Study Apps

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O Level Chemistry App (Android & iOS)

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O Level Chemistry App (Android & iOS)

O Level Chemistry App (Android & iOS)

College Chemistry App (Android & iOS)

College Chemistry App (Android & iOS)

SAT Chemistry App (Android & iOS)

SAT Chemistry App (Android & iOS)