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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: Zinc - Chemistry

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प्रश्न

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

Zinc

एक पंक्ति में उत्तर
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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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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. ( )


Saloni took a piece of burning charcoal and collected the gas evolved in a test tube.

(a) How will she find the nature of the gas?

(b) Write down word equations of all the reactions taking place in this process.


Mention two uses of the following metals and non-metals 

Aluminium  


Give reasons 

Magnesium is used in fire works. 


State two important uses of following metal: 

Uses of silver  


State the position of the following in the periodic table:

Alkaline earth metals


Give the general characteristics of:

Alkaline earth metals with reference to

(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid


Why are alkali metals kept in kerosene oil?


What is it made from? Why?

Ornaments


Name the following:

A metal used in packaging.


Name the following:

A metal used in flexible pipes.


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


An element which is always lustrous, malleable and ductile is ______.


Which of the following is not a metal?


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


In the following figure, you find that the bulb glows when an iron nail is placed between two ends of wire. Complete the following sentences on the basis of this fact.

  1. ______  is a metal.
  2. Metals are good ______ of electricity. 

Silver and copper are very good conductors of electricity.


Metals have high melting points.


Which metal has the highest ductility?


Which metals are not solid at room temperature?


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