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When do we say that objects are Negat...

When do we say that objects are
Negatively charged.

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When the atoms of an objects gain extra electrons, the ohnect acquires an overall negative charge, due to the presence of more electons than protons in its atoms. such an object is said to be negatively charged.
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PEARSON IIT JEE FOUNDATION-CHEMICAL EFFECTS OF ELECTRIC CURRENT-CLASSROOM CORNER (SHORT ANSWER TYPE QUESTIONS)
  1. Is it safe for the electrician to carry out electrical repairs outdoor...

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  2. What is the direction of electric current or conventional current?

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  3. Why is it dangerous to use electrical appliances around water?

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  4. How does current flow in a circuit?

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  5. What is the purpose of the plastic coating on the wire?

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  6. Explain why vinegar is a good source of conductor?

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  7. Explain these points: Why does current flow from positive to negativ...

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  8. Explain these point: Why does current flow in the opposite direction...

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  9. What happens when electric current is passed through water?

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  10. Explain the below points: What is the electric current?

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  11. Explain the below points: Do electrons and current flow in the same ...

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  12. List three uses of electrolysis.

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  13. Give the chemical equation for the electrolysis of water.

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  14. Give the chemical equation for the electrolysis copper chloride.

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  15. When do we say that Objects are positively charged ?

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  16. When do we say that objects are Negatively charged.

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  17. Discuss twhy does current flow continuously through the circuit?

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  18. Give two examples for each: Electrolytes

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  19. Give two example of the followings: Non- electrolytes

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  20. Give two examples for each: Bad conductors of electricity

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