IGCSE O Level Chemistry Online Tests
Conductors and Non Conductors MCQ (Multiple Choice Questions) PDF Download
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Conductors and Non Conductors MCQs: Questions and Answers PDF Download
Aluminum (Al) is preferred in overhead power cables because
- it is a good conductor
- it acts as an insulator, in case of lightening
- it prevents accidents
- it is lighter in weight
Examples of non-conductors include
- sulphur
- phosphorus
- wood
- all of above
Overhead cables are insulated from pylons through
- plastic
- ceramics and glass
- rubber
- PVC
Graphite is a conductor of electricity because
- it has valence electrons
- it is a metal form of Carbon
- it is an allotrope of Carbon
- none of above
Easy to shape materials like ceramics are used as
- conductors
- insulators
- electrodes
- catalysts
IGCSE O Level Chemistry Practice Tests
Conductors and Non Conductors Textbook App: Free Download (Android & iOS)
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