make a list of five articles used at home and school which are made up of metals or alloys.Write their composition in a tabular form.
Article | Metal used | Composition |
---|---|---|
Door Knob | Bronze | 90% copper + 10% zinc |
Coins | Copper-nickel alloy | 25% nickel + 0.05-0.4% manganese + copper |
Utensils | Stainless steel | 18% chromium + 8% nickel + 0.85 carbon + >50% iron |
Bicycle frames | Aluminium alloy | 0.1-0.5% scandium + aluminium |
Scissor | Carbon steel | 1% carbon + iron |