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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

State Two Important Uses of Following Metal: Uses of Silver - Chemistry

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प्रश्न

State two important uses of following metal: 

Uses of silver  

एका वाक्यात उत्तर

उत्तर

Uses of silver :

  • It is used for making coins and ornaments.
  • It is used for making high quality glass mirrors.
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पाठ 6: Metals and Non-metals - Additional questions 2

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सेलिना Concise Chemistry [English] Class 7 ICSE
पाठ 6 Metals and Non-metals
Additional questions 2 | Q 3.02

संबंधित प्रश्‍न

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

Generally, non-metals react with acids. ( )


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

Sodium is a very reactive metal. ( )


State one use of Silver.


Aluminium is not used to make : 


Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride 

A solution of a metal in mercury is called ________


State two important uses of following metal 

Uses of tin  


State two important uses of following metal 

Uses of lead     


What is it made from? Why?

Electric cables


State a specific reason for using copper in electrical cables


Name the following:

A halogen which is a solid at room temperature.


Aluminium: _______: gold : : electric insulator


Electronic configuration of metal A is 2,8,1. Electronic configuration of metal B is 2,8,8,2. Which of the above metals is more reactive? Explain with reason.


Give reasons for the following.

  1. Aluminum foils are used to wrap food items.
  2. Immersion rods for heating liquids are made up of metallic substances.
  3. Sodium and potassium are stored in kerosene.
  4. Mercury is used in thermometers.

The most abundant metal in the earth’s crust is ____________.


Which of the following property is generally not shown by metals?


Name one metal and one non-metal that exist in liquid state at room temperature. Also name two metals having melting point less than 310 K (37°C)


Name two soft metals which can be cut with a knife.


Silver and copper are very good conductors of electricity.


Which metals are liquid at room temperature?


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