(a) Which metal is extracted from calamine ore? (b) Name one ore of mercury. Which mercury
Channel: Doubtnut
Date: 2020-01-26

(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 (coope glance), `Cu_(2)S`? 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 constitutent elements?