IGCSE O Level Chemistry Practice Test 85

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

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

MCQ 421:

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

steepest curve
less steep
flat curve
a plateau

MCQ 422:

Ni is the symbol of

Neon
Nitrogen
Nickel
Tin

MCQ 423:

Which of them is an insoluble salt?

PbCl₂ only
HgCl₂ only
NaCl
PbCl₂ and HgCl₂

MCQ 424:

Pure ice melts at exactly

−100 °C
zero °C
10 °C
20°C

MCQ 425:

Covalent compounds are poor conductors of electricity because

they do not have ions only
the molecules cannot carry electricity only
they contain non-metals
they do not have ions and the molecules cannot carry electricity

IGCSE O Level Chemistry Exam Prep Tests

Redox Reaction: Oxidation MCQs

Making and Breaking Bonds MCQs

Valence Electrons MCQs

pH Scale: Acid and Alkali MCQs

Properties: Bases and Reactions MCQs

Dissolving, Filtering and Evaporating MCQs

Ionic and Covalent Substances MCQs

Change of State MCQs

Methods of Purification: Sublimation MCQs

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