EASY
8th CBSE
IMPORTANT
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Sodium is a highly reactive metal.

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Important Questions on Materials: Metals and Non-Metals

EASY
8th CBSE
IMPORTANT
Coal is a ductile material.
EASY
8th CBSE
IMPORTANT
Oxide of magnesium is acidic in nature.
EASY
8th CBSE
IMPORTANT
Phosphorous is a non reactive non-metal.
MEDIUM
8th CBSE
IMPORTANT
Copper does not corrode.
EASY
8th CBSE
IMPORTANT
Mercury is widely used in thermometers.
HARD
8th CBSE
IMPORTANT
Out of 22 non-metals, 12 non-metals are gases.
MEDIUM
8th CBSE
IMPORTANT
In the reactivity series, the most reactive metal is placed at the bottom.