Question

differentiate differentiate between iron and calcium on the basis of their melting point​

Answer 1

Answer:

Physical properties of metal :

1. State : most of the metals are found solid state at normal temperature except mercury (Hg)Which is found in liquid state at normal temperature.

2. Colour : Mostly metals are grey in colour.

3. Lustre : Most of the metals are lustrous s such as gold , silver , copper , aluminium.

4. Sonorous : Most of the metals when struck with other hard metals or objects produce a special sound, this property is called sonorous.Due to this property of metals they are used to manufacture bell and music instrument etc.

5. Density : generally metals have high density.

6. Melting point : Melting points of metals are generally high except galium and caesium which have low melting points. They melt on the palm of the hand.