EASY
8th CBSE
IMPORTANT
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Magnesium metal burns in the air on heating with a _____ dazzling flame.

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Important Questions on Metals and Non-metals

EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 4 - Metals and Non-metals>ASSESSMENT ZONE>Q A
Solution of a non-metal oxide:
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 4 - Metals and Non-metals>ASSESSMENT ZONE>Q A
Which of the following elements is used in the vulcanization of rubber?
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 4 - Metals and Non-metals>ASSESSMENT ZONE>Q B

Ore is a mineral from which _____ can be extracted profitably.

EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 4 - Metals and Non-metals>ASSESSMENT ZONE>Q B
Metals react with oxygen to form _____. (metal oxides/ amphoteric oxides)
MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 4 - Metals and Non-metals>ASSESSMENT ZONE>Q B
_____ is the name of the metal used to make parts of aeroplanes and spacecrafts.
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 4 - Metals and Non-metals>ASSESSMENT ZONE>Q B
Rusting is an example of corrosion of _____. (Aluminium/ Iron)
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 4 - Metals and Non-metals>ASSESSMENT ZONE>Q B
The name of metal used in a thermometer is _____.
MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 4 - Metals and Non-metals>ASSESSMENT ZONE>Q C

Give reasons, sodium metal is always kept immersed in kerosene oil.