Explain why :
Aluminium is used for making cooking vessels.

Explain why : Aluminium is used for making cables for overhead electric transmission.

Aluminium is not used to make :

Aluminium is used for making alloys because of its

Explain why Teflon is used in making non-stick cooking utensils.

Explain why: Helium is used for filling weather balloons.

Name the property for which aluminium is used in cooking utensils.

Explain why : Aluminium cannot be extracted by reducing alumina with carbon.

Explain why a fluid flowing out of a small hole in a vessel results in a backward thrust on the vessel.

A student has set up a solar cooker in a box using a black painted aluminium sheet, a black cooking vessel, some glass wool , a transparent glass sheet and a mirror plate. What is the role of black paint, transparent glass sheet and a mirror used in the solar cooker ?

Explain why: water is an excellent liquid to use in cooling systems.