Question

Q.4Why only base of iron ( used for ironing of clothes ) is made up of metal .why not the whole iron is made up of metal ?
Q.3 Except mercury which other liquid can be used in the clinical thermometer​

Answer 1

Answer:

4.Because metals are a conductors of electricity and heat.

If a short circuit happens the full iron has electric supply and heated base may also make heat of whole iron

3.Ethanol filled thermometers are used.

Answer 2

Answer:

Q4 : It is because metals are good conductors of heat and electricity . So for ours safety iron is not fully made up of iron.

NoTE : Actually the base of iron Is made of an alloy not metal because metals are good conductors of heat and can burn our clothes.

Alloy : It is a mixture of any metal / metals and non metal / non metals.

Explanation:

Q5: No Idea ❌