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

With reference to the following metal state its use in daily life metal: Magnesium - Chemistry

Advertisements
Advertisements

प्रश्न

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

Magnesium

अति संक्षिप्त उत्तर
Advertisements

उत्तर

  1. It is used in fireworks as it burns with a dazzling light.
  2. Photography: Magnesium produces a bright flash. It is used in strip form.
shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 6: Metals and Non-metals - Exercise

APPEARS IN

संबंधित प्रश्न

Give reasons for the following.

Sodium and potassium are stored in kerosene.


State one use of Mercury.


Give the composition of an alloy called solder. State its one property and one use.


How does the electrical conductivity of copper alloys, brass and bronze, differ from that of pure copper?


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.


State two important uses of following metal: 

Uses of zinc  


State two important uses of following metal 

Uses of magnesium  


State two important uses of following metal

Uses of mercury  


Why is hydrogen placed with alkali metals?


Write scientific reason.

Anodes need to be replaced from time to time during the electrolysis of alumina.


What is it made from? Why?

Pots and pans


When a copper coin is dipped in the solution of silver nitrate, it shows a lustre on its surface. Explain this process with the help of a chemical equation.


Electronic configuration of metal A is 2,8,1. Electronic configuration of metal B is 2,8,8,2. Which of the above metals is more reactive? Explain with reason.


Which one of the following four metals would be displaced from the solution of its salts by other three metals?


______ is the first scientist who used the term element.


Which of the following is not a metal?


Which of the following metals can displace the other two metals from their salt solutions?


Metals are ______ conductors of heat and electricity.


Match the following

i. Softest metal a. Copper
ii. Hardest metal b. Sodium
iii. Hardest non–metal c. Osmium
iv. Ductility d. Diamond

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×