Which of the following alloy has copper as its constituent?
What is an alloy? How do the properties of an alloy differ from its constituents?
Question 28 Which among the following alloys contain mercury as one of its constituents? (a) Stainless steel (b) Alnico (c) Solder (d) Zinc amalgam
(a) Which metal is extracted from calamine ore? (b) Name one ore of mercury. Which mercury compound is present in this ore? write its chemical formula (c) How is copper extracted from its sulphide ore(copper glance), Cu2S. Explain with equations of the reactions involved. (d) What is an alloy ? Give two examples of alloys. (e) How are the properties of an alloy different from those of the constituent elements?