Question

uses of boron and alluminium​

Answer 1

Uses of Boron and Aluminium

• Boron fibres have enormous tensile strength and hence are used to make bullet proof vests and light composite material for aircraft.
• Natural boron is 20% boron-10 and 80% boron-11. ...
• Borax and boric acid are used in the manufacture of heat resistant glass, glass wool and fiber glass.

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Answer 2

Answer:

uses of boron-rocket fuel igniter and in pyrotechnic flares.

uses of alluminium-cans, foils, kitchen utensils, window frames, beer kegs and aeroplane parts.