IGCSE O Level Chemistry MCQs – Practice Test 7 (Chapter 13)

Speed of Reaction Quiz Questions and Answers PDF – Download Test 7

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Speed of Reaction Quiz with Answers PDF Download – Test 7

MCQ 31: Uses of enzymes do not include:

production of insulin
production of cancer drugs
drug to combat plague
drug to fight dwarfism

MCQ 32: Biological catalyst to convert Hydrogen Peroxide (H₂O₂) into water (H₂O) and oxygen (O₂) is:

amylase
hydrolase
catalase
protease

MCQ 33: Rate of decomposition of hydrogen peroxide can be expedited through:

glycerin
manganese oxide
vanadium oxide
platinum

MCQ 34: What is true about Enzymes?

they act as biological catalysts
they operate over a wide range of pH
they are highly specific
they operate over wide temperatures only

MCQ 35: In a certain volume, higher temperature:

increases concentration of gases
decreases concentration of gases
liquefies the gases
the reaction may not occur at all

Speed of Reaction Quiz App & e-Book – IGCSE O Level Chemistry Study Material

Speed of Reaction MCQs

Elements, Compounds and Mixtures MCQs

Methods of purification MCQs

Redox Reactions MCQs

Salts and Identification of Ions and Gases MCQs

Energy from Chemicals MCQs

Structure of Atom MCQs

Electricity and Chemicals MCQs

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