Question

Tell me answer my friends​

Answer 1

Explanation:

Aluminium is a reactive metal but it is used for packing food items because it forms a protecting layer of Aluminum oxide which protects the food items to react with it.

Answer 2

Explanation:

Aluminum foil provides a complete barrier to light, oxygen, moisture and bacteria. Aluminum foil provides a complete barrier to light, oxygen, moisture and bacteria. For this reason, foil is used extensively in food and pharmaceutical packaging. Aluminum foil is also used to make aseptic packaging.

Metal Physical Properties:

1.Lustrous (shiny)

2.Good conductors of heat and electricity.

3.High melting point.

4.High density (heavy for their size)

5.Malleable (can be hammered)

6.Ductile (can be drawn into wires)

7.Usually solid at room temperature (an exception is mercury)

8.Opaque as a thin sheet (can't see through metals).

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