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Alloy

Definition: Alloys are the homogeneous mixture of two or more metals( non metals).

Why are alloys made : to improve the  properties of  substance.

Common alloys :1 Stainless steel

                            Composition: Iron +Chromium + Carbon + Nickel

                            Uses -Making utensils and cutlery

                            Making surgical instruments

                        2. Brass

                            Composition: Copper + Zinc

                            Uses -Making household utensils

                            Making statues and taps.

                        3. Bronze

                            Composition: Copper + Tin

                            Uses- Making statues and medals

                            Making utensils and coins

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