Podcast
Questions and Answers
What is the main component of vinegar?
What is the main component of vinegar?
- Chlorine ions
- Sodium chloride
- Sodium ions
- Carbon, hydrogen, and oxygen (correct)
Why are compounds with strong conductivity able to carry a current effectively?
Why are compounds with strong conductivity able to carry a current effectively?
- They are weak electrolytes
- They contain single valence electrons
- They dissociate completely into charged ions in water (correct)
- They have a high concentration of carbon atoms
Which type of materials are commonly used conductors?
Which type of materials are commonly used conductors?
- Sodium chloride, table salt, acetic acid, and vinegar
- Copper, silver, gold, and aluminium (correct)
- Chlorine, sodium, acetic acid, and vinegar
- Carbon, hydrogen, oxygen, and water
What is the unit for quantities of electric charge transferred between points of different electrical potential?
What is the unit for quantities of electric charge transferred between points of different electrical potential?
How many electrons are equivalent to one coulomb of electric charge?
How many electrons are equivalent to one coulomb of electric charge?
What is the symbol used for quantities of electric charge?
What is the symbol used for quantities of electric charge?
Which unit represents the potential difference between points of different electrical potential?
Which unit represents the potential difference between points of different electrical potential?
What is the main characteristic of conductors?
What is the main characteristic of conductors?
What is the molecular structure and nature of semiconductors?
What is the molecular structure and nature of semiconductors?
What is the structure and distribution of electrical charges within ions?
What is the structure and distribution of electrical charges within ions?
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