Physics
Grade-7
Easy
Question
Which of the following statements is incorrect?
- Acids are bad conductors of electricity.
- The ions are free to move about in an electrolyte.
- An electric bulb glows due to the heating effect of current.
- The solution which can form ions is used for electroplating.
Hint:
The acids are good conductors.
The correct answer is: Acids are bad conductors of electricity.
- The acids are good conductors.
- The ionic composition of the acid helps the flow of current.
- The addition of acids in distilled water makes it a good conductor.
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