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

Name a Metal Which is Best Conductor of Electricity :

Advertisements
Advertisements

प्रश्न

Name a metal which is best conductor of electricity :  

एक शब्द/वाक्यांश उत्तर
Advertisements

उत्तर

Silver

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 2.5

संबंधित प्रश्न

State one use of Mercury.


The atomic number of an element X is 12.
(a) What must an atom of X do to attain the nearest inert gas electron configuration?
(b) Which inert gas is nearest to X?


What is an alloy? How is an alloy made?


Mention two uses of the following metals and non-metals  

Gold 


Fill in the blank 

_______ is a soft metal. 


Fill in the blank 

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


Write ‘True’ or ‘False’ in front of following statement.  

Brass is an alloy of copper and zinc and has lustrous yellow colour. 


State two important uses of following metal

Uses of mercury  


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

copper


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

Lead


Give a reason why a green deposit is seen on the surface of an article of copper


State a specific reason for using copper in electrical cables


Name the following:

A metal used in packaging.


Name the following:

A metal used in flexible pipes.


Name the following:

A halogen which is a solid at room temperature.


A is a reddish-brown metal, which combines with O2 at < 1370 K gives B, a black coloured compound. At a temperature > 1370 K, A gives C which is red in colour. Find A, B, and C with reaction.


Metals are usually solids or gases at room temperature.


Why are metalloids called semimetals?


The metals which are found in both free state as well as combined state are ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×