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

State Two Important Uses of Following Metals : Uses of Iron - Chemistry

Advertisements
Advertisements

प्रश्न

State two important uses of following metals: 

Uses of iron   

एक पंक्ति में उत्तर

उत्तर

Uses of iron :

  • It is used in the construction of buildings.
  • It is used in the construction of automobiles, railway bridges and many kinds of machines.
shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 6: Metals and Non-metals - Additional questions 2

APPEARS IN

सेलिना Concise Chemistry [English] Class 7 ICSE
अध्याय 6 Metals and Non-metals
Additional questions 2 | Q 3.04

संबंधित प्रश्न

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

Write word equations of the reactions involved.


State one use of Copper.


State one use of  Iron.


 For the reduction of metal oxide, suggest a reducing agent other than carbon.


Give reasons  

Aluminium is used in making aircrafts.  


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  

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


Statements given below are incorrect. Write the correct statements : 

Aluminium is best conductor of electricity.   


State two important uses of following metal 

 Uses of aluminium


Write name.

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


Write name. 

 The reagent that dissolves noble metals.


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.


State the position of the following in the periodic table:

Halogens


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

Zinc


Name the following:

The most reactive halogen.


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


An element forms an oxide A2O3 which is acidic in nature. Identify A as a metal or non-metal.


______ is the first scientist who used the term element.


Give an example of a metal which

  1. is liquid at room temperature.
  2. is the best conductor of heat.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×