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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Name a Metal That is the Best Conductor of Electricity - Chemistry

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प्रश्न

Name a metal that is the best conductor of electricity 

एक शब्द/वाक्यांश उत्तर

उत्तर

 Silver

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अध्याय 6: Metals and Non-metals - Exercise

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सेलिना Concise Chemistry [English] Class 7 ICSE
अध्याय 6 Metals and Non-metals
Exercise | Q 1.7

संबंधित प्रश्न

Give an example of a metal which is a poor conductor of heat.


For the electro-refining of copper: Write the reaction that takes place at the anode


Give the name and formulae of two acidic oxides.


Give the name and formulae of two basic oxides.


Which property of copper and aluminium makes them suitable for making cooking utensils and boilers?


Name two metals which are used for making jewellery and to decorate sweets.


Name two metals whose melting points are so low that they melt when held in the hand.


Name a non-metal that a good conductor of heat and electricity 


Tick (√) the most appropriate answer. 

Sodium amalgam is prepared by dissolving sodium in :


Name a gaseous non-metal,. having greenish yellow colour.  


Name the three classes in which elements are classified. Which was the first metal used by man?


Name:

a metal whose oxide is reduced only by carbon


Distinguish between an ore and a metallic compound.


Which metal occurs as a carbonate also gives the name of their respective ore.


Give reason for the following:

Metals form cations while non-metals form anions.


State whether the statement given below is true or false. If false write the correct statement.

Lead pencils contain lead.


_______ is good conductor of heat but bad conductor of electricity.


Identify who I am!

Metal in Liquid state- _______


Name six common non-metals and write their symbols.


A non-metal A is an important constituent of our food and forms two oxides B and C. Oxide B is toxic whereas C causes global warming

  1. Identify A, B and C
  2. To which Group of Periodic Table does A belong?

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