10 Questions
What is the process called for obtaining a metal from its ore?
Metallurgy
How are elements classified into groups?
On the basis of their physical and chemical properties
What is the physical state of metals at room temperature?
Solid
What is the physical state of non-metals?
Solid, liquid, and gaseous
Which element is an exception to being solid at room temperature?
Mercury
Which group of elements are broadly classified into metals and non-metals based on their physical and chemical properties?
Elements
Which of the following is NOT a physical state in which non-metals can exist?
Plasma
Which element is an exception to the general physical state of metals at room temperature?
Mercury
Which process involves a sequence of steps for obtaining a metal from its ore?
Metallurgy
Which property of metals distinguishes them from non-metals in terms of their physical state at room temperature?
Melting point
Test your knowledge on metals and non-metals with this quiz based on DAV Class 8 Science Chapter 3 Notes. Enhance your understanding of the classification of elements and their physical and chemical properties. Perfect for revision and exam preparation.
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