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

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Important Questions on Materials: Metals and Non-Metals

EASY
8th CBSE
IMPORTANT
Copper displaces zinc from zinc sulphate solution. 
MEDIUM
8th CBSE
IMPORTANT
Rust formed on an iron object is basic in nature.
MEDIUM
8th CBSE
IMPORTANT
Non-metals react with water to form a gas which burns with a 'pop' sound.
EASY
8th CBSE
IMPORTANT
Most of the non-metals are _____ conductors of heat and electricity. (good/ poor)
MEDIUM
8th CBSE
IMPORTANT
Metals react with acids to produce _____ gas. (Name the gas)
EASY
8th CBSE
IMPORTANT
The non-metal which is used to make an antiseptic solution called tincture of _____.(Bromine/iodine)