Q61 of 400 Page 193

What is an alloy? Give two examples of alloys.

An alloy is a homogeneous mixture of two or more metals or a metal and small amount of non-metals. Example: stainless stell, bronze, brass, german silver,etc.

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61 Name one ore of mercury. Which mercury compound is present in this ore? Write its chemical formula. 61 How is copper extracted from its sulphide ore (copper glance), Cu2S? Explain with equations of the reactions involved. 61 How are the properties of an alloy different from those of the constitutent elements? 62 An ore of manganese metal is: