Login
Login
Sign up
Start
Mathmania
Teacher tutorials
TOP
Subjects
Bridge Course
Testworks
Subject updates
Ya+
News
Send feedback
See more
Contacts
About Us
Terms and Conditions
Privacy Policy
PDF chapter test
TRY NOW
Subjects
Science CBSE
Class 7 New
The World of Metals and Non-metals
Pumpa Practice Questions
6.
Applications of metals
Exercise condition:
3
m.
Answer the following questions:
A craft designer wants to cover decorative items with an extremely thin metallic layer to give them an attractive appearance.
i.
Which physical properties are most important?
Lustre and malleability
Softness and dullness
Liquidity and hardness
Hardness and brittleness
ii.
Which metal would you suggest and why?
Sulphur, because it is dull
Gold, because it is lustrous and highly malleable
Iron, because it is hard
Oxygen, because it is gaseous
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!