मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Name a Metal Which is Not Malleable :

Advertisements
Advertisements

प्रश्न

Name a metal which is not malleable : 

एक शब्द/वाक्यांश उत्तर
Advertisements

उत्तर

Zinc

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 2.4

संबंधित प्रश्‍न

State one use of the following metal:

Copper


What is an amalgam?


The electrical conductivity and melting point of an alloy is ______ than that of pure metals.


Give two uses of Germanium  


A metal with melting point less than 50°C 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 silver  


What is it made from? Why?

Ornaments


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

Lead


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

Silver


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


Write scientific reason.

Meena’s mother uses lemon or tamarind for cleaning copper vessels turned greenish.


Generally, metals are solid in nature. Which one of the following metals is found in a liquid state at room temperature?


Which of the following metals are obtained by electrolysis of their chlorides in molten state?

  1. Na
  2. Ca
  3. Fe
  4. Cu

The electronic configurations of three elements X, Y and Z are X – 2, 8; Y – 2, 8, 7 and Z – 2, 8, 2. Which of the following is correct?


Name one metal and one non-metal that exist in liquid state at room temperature. Also name two metals having melting point less than 310 K (37°C)


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. 

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×