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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: Zinc - Chemistry

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प्रश्न

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

Zinc

एका वाक्यात उत्तर

उत्तर

Zinc:

  1. For galvanising iron sheets because Zinc coated iron sheets does not rust.
  2. In Dry cells as Zinc container acts as cathode.
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पाठ 6: Metals and Non-metals - Exercise

संबंधित प्रश्‍न

Fill in the following blanks with suitable words:

A metal having low melting point is ..................... but a non-metal having very high melting point is ..............


Name a metal which is best conductor of electricity :  


State two important uses of following metals: 

Uses of iron   


State two important uses of following metal 

Uses of zinc  


State the position of the following in the periodic table:

Iron and zinc


Write name.

The device used for grinding an ore.


The electronic configuration of metal ‘A’ is 2,8,1 and that of metal ‘B’ is 2,8,2. Which of the two metals is more reactive? Write their reaction with dilute hydrochloric acid.


What is it made from? Why?

A pair of tongs.


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

Silver


Name the following:

A metal used in packaging.


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.

An amorphous substance which turns from pale green to black on strong heating evolving a colourless, acidic gas as the only gaseous product.


Soft metal : Na : : hard metal : _______


Aluminium: _______: gold : : electric insulator


The metal which is liquid at room temperature is ______.


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


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


Why are bells made of metals?


Metals and non–metals are used for making ______, ______ and ______.


Metals are ______ conductors of heat and electricity.


Sodium is a hard metal. 


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