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IGCSE O Level Chemistry Practice Test 85

Chemical Reaction: Factor Affecting Quiz Questions and Answers PDF - 85

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Chemical Reaction: Factor Affecting Questions and Answers PDF Download: Quiz 85

MCQ 421: In the graph of decrease in mass against time, fastest reaction shows

A) steepest curve
B) less steep
C) flat curve
D) a plateau

MCQ 422: Ni is the symbol of

A) Neon
B) Nitrogen
C) Nickel
D) Tin

MCQ 423: Which of them is an insoluble salt?

A) PbCl2 only
B) HgCl2 only
C) NaCl
D) PbCl2 and HgCl2

MCQ 424: Pure ice melts at exactly

A) −100 °C
B) zero °C
C) 10 °C
D) 20°C

MCQ 425: Covalent compounds are poor conductors of electricity because

A) they do not have ions only
B) the molecules cannot carry electricity only
C) they contain non-metals
D) they do not have ions and the molecules cannot carry electricity

IGCSE O Level Chemistry Exam Prep Tests

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Chemical Reaction Factor Affecting App (Android & iOS)

Chemical Reaction Factor Affecting App (Android & iOS)

O Level Chemistry App (Android & iOS)

O Level Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

9th Grade Chemistry App (Android & iOS)

9th Grade Chemistry App (Android & iOS)