Question

State the reason for :- 1) Graphite is used for electrode 2) Mercury is used in thermometer 3) Aluminium is used as wrapping foil 4) Gold is used as jewellery​

Answer 1

Answer:

1) Because graphite is a good conductor of electricity and has valence electrons. It is cheaper and non-corrosive.

2) Because it has high coefficient of expansion and it has a high boiling point which makes it suitable to measure high temperature.

3) Because it is a metal and has properties of malleability and ductility amd also keeps the food warm..

4) answer is given in the above picture

if you like my answer please mark me as brainliest!!!

thank you ☺