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
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Very Short Answer Type Questions>Q 34
Copper displaces zinc from zinc sulphate solution. 
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Very Short Answer Type Questions>Q 34
Rust formed on an iron object is basic in nature.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Very Short Answer Type Questions>Q 34
Non-metals react with water to form a gas which burns with a 'pop' sound.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Very Short Answer Type Questions>Q 35
Most of the non-metals are _____ conductors of heat and electricity. (good/ poor)
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Very Short Answer Type Questions>Q 35
Phosphorous is a very _____ non-metal.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Very Short Answer Type Questions>Q 35
Metals react with acids to produce _____ gas. (Name the gas)
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Very Short Answer Type Questions>Q 35
Iron is more _____ than copper.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Very Short Answer Type Questions>Q 35
The non-metal which is used to make an antiseptic solution called tincture of _____.(Bromine/iodine)