IGCSE O Level Chemistry Practice Test 89

Evaporation Quiz Questions and Answers PDF - 89

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The Quiz: When heating begins in miscible solutions, vapors formed will be of; "Evaporation" App Download (Free) with answers liquid, higher in boiling point, liquid, lower in boiling point, all liquids with a higher concentration of liquid having low boiling point to study online IGCSE GCSE courses. Solve methods of purification questions and answers, Amazon eBook to download free sample for SAT subject test tutoring.

Evaporation Questions and Answers PDF Download: Quiz 89

MCQ 441: When heating begins in miscible solutions, vapors formed will be of

A) liquid, lower in boiling point

B) liquid, higher in boiling point

C) all liquids with a higher concentration of liquid having low boiling point

D) none of above

MCQ 442: Positive ions in a sea of electrons are found in

A) ionic compounds

B) covalent bonds

C) metallic bonds

D) dative bond

MCQ 443: A substance which conducts electricity but is not changed during the electrolysis is

A) electrode

B) conductor

C) insulator

D) catalyst

MCQ 444: Valency of all these ions is negative 1, except

A) OH

B) PO₄

C) NO₃

D) Br

MCQ 445: An average size cigarette burns in 10 seconds in pure

A) hydrogen

B) oxygen

C) carbon dioxide

D) nitrogen

IGCSE O Level Chemistry Exam Prep Tests

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