IGCSE O Level Chemistry Online Tests
Catalysts and Enzymes MCQ (Multiple Choice Questions) PDF Download
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Catalysts and Enzymes MCQs: Questions and Answers PDF Download
The optimal temperature for enzymes is
- room temperature
- 35-37 °C
- 40-45 °C
- above 45 °C
Many catalysts are
- noble gases
- transition metals
- non-metals
- inert gases
Uses of enzymes do not include
- production of insulin
- production of cancer drugs
- drug to combat plague
- drug to fight dwarfism
Biological catalyst to convert Hydrogen Peroxide (H2O2) into water (H2O) and oxygen (O2) is
- amylase
- hydrolase
- catalase
- protease
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
IGCSE O Level Chemistry Practice Tests
Catalysts and Enzymes Textbook App: Free Download (Android & iOS)
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O Level Chemistry MCQs eBook Download
A Level Chemistry Practice Questions
IGCSE O Level Chemistry Practice Tests
A Level Chemistry MCQ Questions
- When a single atom provides both electrons which are needed for completion of a covalent bond, lead to
- Process in which catalyst has a different phase to a reaction mixture, this process is known as
- Acid rain falls in streams, rivers, lakes and makes them
- Tetrachloromethane is a
- Halogen that has lowest electronegativity is