Click the correct answer (True or False).
Click the correct answer.
Which of the following is a good conductor of electric current?
Sulphur
Graphite
Silicon
Diamond
Which of the following is a liquid at room temperature?
Chlorine
Phosphorous
Bromine
Iodine
Which of the following is corrosion-resistant?
Silver
Iron
Copper
Aluminium
Click the correct answer.
Phosphorus is very
non-metal.
non-reactive
lustrous
reactive
light
Though metals are solid at room temperature,
is a liquid.
mercury
zinc
copper
silver
Copper is
.
more reactive than iron
equally reactive as iron
non-reactive
less reactive than iron
Metals usually displace
from acids.
nitrogen
hydrogen
oxygen
carbon dioxide
The gas usually filled in the electric bulb is
.
nitrogen
helium
argon
hydrogen
