IGCSE O Level Chemistry Practice Test 61

Save Energy: O Level Chemistry Quiz Questions and Answers PDF - 61

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Save Energy: O Level Chemistry Questions and Answers PDF Download: Quiz 61

MCQ 301: Methane (CH₄) is better fuel than Coal gas because

A) it is endothermic

B) it is exothermic

C) it gives off more heat than coal gas

D) it requires very little oxygen to burn

MCQ 302: Rate of decomposition of Hydrogen Peroxide (H₂O₂) can be slowed down through

A) glycerin

B) manganese oxide

C) vanadium oxide

D) platinum

MCQ 303: In electrolysis of dilute Hydrochloric Acid (HCl_(aq)), at anode,

A) oxygen gas is given off

B) hydrogen gas is given off

C) chlorine gas is given off

D) hydrogen chloride gas is given off

MCQ 304: Liquids may become vapors

A) upon boiling only

B) without boiling

C) at a temperature below the boiling point of a liquid

D) at a temperature above the boiling point of a liquid

MCQ 305: Least reactive metal in given series is

A) tin

B) copper

C) lead

D) silver

IGCSE O Level Chemistry Exam Prep Tests

Chemical Symbols MCQs

Ions and Ionic Bonds MCQs

Relative Molecular Mass MCQs

Evaporation MCQs

Distillation: Purification Process MCQs

Pure Substances and Mixtures MCQs

Acids: Properties and Reactions MCQs

Chemical formulas MCQs

Atoms and Elements MCQs

Redox Reactions MCQs

Periodic Table: O Level Chemistry MCQs

Conductors and Non Conductors MCQs

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