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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

With Reference to the Following Metals State Their Use in Daily Life Metal: Copper - Chemistry

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प्रश्न

With reference to the following metals state their use in daily life metal:

copper

एका वाक्यात उत्तर
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उत्तर

Copper:

  1. Making calori meters as it is good conductor of heat.
  2. Making thin wires being conductor of electricity.
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पाठ 6: Metals and Non-metals - Exercise

संबंधित प्रश्‍न

Mark ‘T’ if the statement is true and ‘F’ if it is false.

Copper displaces zinc from zinc sulphate solution. ( )


Give a reason for Alkali metals are good reducing agents.


Which property of graphite is utilised in making electrodes?


Which of the following alloys contains mercury as one of the constituents?
(a) stainless steel
(b) solder
(c) duralumin
(d) zinc amalgam


A metal which is neither ductile nor malleable is


Statements given below are incorrect. Write the correct statements : 

Aluminium is best conductor of electricity.   


Statements given below are incorrect. Write the correct statements : 

Zinc is used for making power transmission wires.  


Write ‘True’ or ‘False’ in front of following statement.  

Brass is an alloy of copper and zinc and has lustrous yellow colour. 


State two important uses of following metal:

Uses of aluminium


Why is hydrogen placed with alkali metals?


Write scientific reason.

Generally the ionic compounds have high melting points.


State a specific reason for using copper in electrical cables


Name the following:

A metal used in packaging.


Which one of the following is an example for a metal?


Compare the properties of metals and nonmetals. Give three examples for each.


Generally, metals are solid in nature. Which one of the following metals is found in a liquid state at room temperature?


The ability of metals to be drawn into thin wire is known as


Which one of the following metals do not react with cold as well as hot water?


Metals are ______ conductors of heat and electricity.


Which metals are not solid at room temperature?


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