मराठी

State two important uses of the following metal. Uses of magnesium

Advertisements
Advertisements

प्रश्न

State two important uses of the following metal. 

Uses of magnesium  

Write the uses of magnalium metal.

लघु उत्तर
Advertisements

उत्तर

  • It burns with a dazzling white flame and hence is used in fireworks.
  • It is used in the making of alloys, such as magnalium. This alloy is used in making the frame of aeroplanes.
shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Metals and Non-metals - Additional questions 2

APPEARS IN

एस.पी. सिंह Concise Chemistry [English] Class 7 ICSE
पाठ 6 Metals and Non-metals
Additional questions 2 | Q 3.09
लखमीर सिंह Chemistry [English] Class 10 ICSE
पाठ 7 Metallurgy
Intext Question | Q 9. 2. i. | पृष्ठ १५३

संबंधित प्रश्‍न

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

Write word equations of the reactions involved.


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


Name two alloys of iron. What elements are present in these alloys?


Mention two uses of the following metals and non-metals  

Gold 


Mention two uses of the following metals and non-metals 

Iodine    


Give reasons 

Graphite is used in the leads of pencils  


Give two uses of Germanium  


Fill in the blank 

A metal that gives dazzling effect to crackers when they explode is ______


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 zinc  


State two important uses of following metal

Uses of mercury  


Write scientific reason.

Generally the ionic compounds have high melting points.


Write scientific reason.

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


Give reasons for the following:
Most metals conduct electricity well.


Give a reason why iron objects rust easily but the iron pillar at Qutab Minar has not rusted over the years.


Name the following:

The chemical compound responsible for the green deposit on the surface of articles of copper.


The minerals from which the metal can be separated economically are called _______.


Complete the following flow chart.


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


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


Which of the following two combinations are correct?

 

  Metal Gas Evolved
(i) Copper Yes
(ii) Iron Yes
(iii) Magnesium No
(iv) Zinc Yes

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


Which of the following is not a metal?


Why are bells made of metals?


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


Sodium is a hard metal. 


Why are metalloids called semimetals?


Compare the conductivity of metals and non–metals.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×