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IGCSE O Level Chemistry Practice Test 35

Atoms and Elements Quiz Questions with Answers PDF - 35

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Atoms & Elements Trivia Questions PDF Download: Quiz 35

MCQ 171: A particle may be

A) atom only
B) molecule only
C) charged
D) atom and molecule

MCQ 172: In Na2CO3.10H2O, percentage of oxygen is

A) 0.1678
B) 0.1608
C) 0.1659
D) 0.1684

MCQ 173: Factors affecting the speed of reaction include

A) volume of gas
B) change in mass
C) pressure
D) temperature change

MCQ 174: Conventionally, the negative terminals are shown as a

A) long thin line
B) short fat line
C) long wavy line
D) short wavy line

MCQ 175: In a titration, the color of the indicator can be removed by

A) not adding indicator in the beginning
B) repeating the process again
C) boiling the solution with some animal charcoal
D) none of above

IGCSE O Level Chemistry Exam Prep Tests

Atoms & Elements 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)

SAT Chemistry App (Android & iOS)

SAT Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)