CBSE
Gujarat Board
Haryana Board
Class 10
Class 12
________ is the only non-metal which is good conductor of electricity.
Graphite
Most metals displace ________ from dilute acids.
hydrogen
The metal which is soft and can be cut with a knife is ________.
sodium
All metals react with oxygen to form ________.
oxides
The best conductors of heat are ________ and ________.
silver
copper
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