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