हिंदी
सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

With Reference to the Following Metals State Their Use in Daily Life Metal: Silver

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प्रश्न

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

Silver

एक पंक्ति में उत्तर
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उत्तर

Silver:

  1. For making Jewellery.
  2. As is conducts more electricity and heat than any other metal which makes it a prime source of use in electronics.
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अध्याय 6: Metals and Non-metals - Exercise

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संबंधित प्रश्न

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

Generally, non-metals react with acids. ( )


State one use of the following metal:

Silver


What is an amalgam?


What is a thermite reaction? Explain with the help of an equation.


Mention two uses of the following metals and non-metals 

Aluminium  


Mention two uses of the following metals and non-metals 

Oxygen


Fill in the blank 

A metal that gives dazzling effect to crackers when they explode is ______


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 ________


Statements given below are incorrect. Write the correct statements : 

Aluminium is best conductor of electricity.   


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

Magnesium is used in making light weight alloys of aluminium. 


State two important uses of following metal. 

Uses of copper  


Write name.

Molecular formula of the common ore of aluminium.


Write name.

The oxide that forms salt and water by reacting with both acid and base.


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

iron


State a specific reason for using copper in electrical cables


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 element in the universe is ____________.


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


X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:

______ is the metallic element.


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