Question

Name any three articles made of metals found in your home.

Answer 1

Utensils(Stainless steel) -Iron [more than 50%] , chromium [16%]and Nickel[8%] and 0.85% C.

Brass - Copper[60-80%] and Zinc[40-20%]

Bronze:Cu-88% and Tin 12%

Answer 2

1. Utensils(Stainless steel) -Iron [more than 50%] , chromium [16%]and Nickel[8%] and 0.85% C

2. Brass - Copper[60-80%] and Zinc[40-20%]

3. Bronze:Cu-88% and Tin 12%

4. Bell metal : Copper 77% and tin 23%

5. Alnico:Aluminum[8-12%] , Nickel [15-26%]and Cobalt[5-24%]

6. Scissors: 1% carbon and 10% chromium.

7. Coins- 25% nickel,0.05-0.4% manganese and rest copper.

8. Door knob- 90% copper,10% zinc.

9. Sterling silver-Silver (92.5%), copper (7.5%).

10. White gold (18 carat)-Gold (75%), palladium (17%), silver (4%), copper (4%).

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