Materials Metal...

When a little sulphur in a spoon is heated, it burns with a blue flame which slowly disappears after some time and we can feel a pungent odour. This pungent odour is due to:

Which element is an important component of transistors?

A metal which is brittle in nature is:

The red or orange coating that forms on the surface of iron when exposed to air and moisture for some time is called:

Graphite is a ______ conductor of electricity whereas diamond is a ______ conductor of electricity.

Which of the following possess lustre?

Which among the following is a poor conductor of electricity?

Ductile metals can be deformed into:

The oxides of _____ which react with water to form acids are called acidic oxides.

Which among the following is a non-ductile metal at room temperature?