IGCSE O Level Chemistry Practice Test 58

Change of State MCQ (Multiple Choice Questions) PDF - 58

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Change of State Questions and Answers PDF Download: Quiz 58

MCQ 286: A much slower process than boiling is

A) melting

B) evaporation

C) curdling

D) sublimation

MCQ 287: Amphoteric oxides react with an alkali to form

A) salt only

B) water only

C) acids

D) salt and water

MCQ 288: Symbol of Boron is

A) B

B) Ba

C) Br

D) Be

MCQ 289: Factors affecting the speed of reaction does not include

A) concentration

B) particle size

C) change in mass

D) pressure

MCQ 290: If the proton number is 19, the electron configuration will be

A) 2,8,7

B) 2,8,18

C) 2,8,8,1

D) 2,8,8,3

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