Materials: Metals and Non-Metals - Class 8 Science Workbook
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Q1 · MCQ · 1 mark
Which of the following metals is the most ductile?
Q2 · FILL · 1 mark
Metals react with oxygen to form metallic ______, which are generally basic in nature.
Q3 · SHORT · 2 marks
Distinguish between malleability and ductility, giving one example for each property.
Q4 · MCQ · 1 mark
Which non-metal is essential for our respiration?
Q5 · FILL · 1 mark
Non-metals generally have a dull appearance and are poor conductors of heat and ____.
Q6 · SHORT · 2 marks
Why is sodium stored in kerosene?
Q7 · MCQ · 1 mark
The property due to which metals produce a ringing sound when struck is called:
Q8 · FILL · 1 mark
Graphite, an allotrope of carbon, is a non-metal but is a good conductor of ____.
Q9 · SHORT · 2 marks
Give two reasons why copper is used to make electrical wires.
Q10 · MCQ · 1 mark
Which of the following is an example of a non-metal that exists in liquid state at room temperature?