हिंदी

Copper Metal is Sonorous and an Excellent Conductor of Electricity

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प्रश्न

The property/properties which enable copper metal to be used for making electric wires is/are :

विकल्प

  • copper metal is malleable and ductile

  • copper metal is a good conductor of electricity

  • copper metal is ductile and has low electrical resistance

  • copper metal is sonorous and an excellent conductor of electricity

MCQ
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उत्तर

copper metal is ductile and has low electrical resistance

Copper is a good conductor of electricity. It means that it offers very low electric resistance. Also, it is highly ductile due to which it can be drawn into very thin wires.

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अध्याय 2: Is Matter Around Us Pure - Very Short Answers [पृष्ठ ५९]

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लखमीर सिंग Chemistry Part 2 [English] Class 9
अध्याय 2 Is Matter Around Us Pure
Very Short Answers | Q 65 | पृष्ठ ५९

वीडियो ट्यूटोरियलVIEW ALL [3]

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Name the processes involved in two cases.


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The state of matter with definite volume and definite shape is called______


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Any matter which has a definite _______ but no definite shape is called a _______


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  1. Ice
  2. Milk
  3. Iron
  4. Hydrochloric Acid
  5. Calcium oxide
  6. Mercury
  7. Brick
  8. Wood
  9. Air

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Fill in the following blanks with suitable words :

An element is made up of only one kind of ........


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Give reason why graphite is used for making elecrode in a dry cell.


Name a metal which can be easily cut with a knife.


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S.No. CELSIUS KELVIN
1. 90°C 363 K
2. ______ 283 K
3. 63 °C ______
4. 250°C ______
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Intermolecular space is maximum in ______.


Evaporation is always accompanied by ______ in temperature. 


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