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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.

Sodium is a very reactive metal. ( )


What happens when Dilute sulphuric acid is poured on a copper plate?

Write word equations of the reactions involved.


What happens when Iron nails are placed in copper sulphate solution?

Write word equations of the reactions involved.


The atomic number of an element X is 12.

  1. What must an atom of X do to attain the nearest inert gas electron configuration?
  2. Which inert gas is nearest to X?

What is an amalgam?


Mention two uses of the following metals and non-metals 

Iodine    


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

Salt of silver, such as ________ is used for making photographic films.


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 the following metal. 

Uses of magnesium  


Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:

Sulphuric acid


Write name.

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


What was Mendeleev's basis for the classification of elements?


State a specific reason for using copper in electrical cables


On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.

A white crystalline solid which decrepitates on heating leaving a residue which fuses with the glass and evolves two gases one of which is coloured and acidic.


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


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


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


Why are bells made of metals?


The typical shine of metals is called ______.


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