6 Questions
What is the appearance of a pure metal surface when wiped with sandpaper?
Shiny
Which of the following metals is NOT typically shiny when its surface is pure?
Lead
How can you classify objects based on their physical properties?
By comparing their physical properties
Which metal exhibited metallic lustre after being wiped with sandpaper?
Aluminum
What happens to a piece of sodium metal when inserted into filter paper?
It explodes
Why should sodium metal be handled with caution and not touched with hands?
It reacts violently with water
Test your knowledge on the properties and uses of metals and non-metals. Learn how elements are classified into metals and non-metals based on their properties, and explore their applications in everyday life. Understand the relationship between the properties of these elements and their practical uses.
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