1.

Statement-1: Auto reduction of ores is used for cinnabar, copper glance and Galena ores Statement-2:The sulphide ores of these metals react with their oxides to give metal are less reactive than copper.

Answer»

STATEMENT -1 is true, Statement-2 are true and Statement-2 is the correct EXPLANATION of Statement -1
Statement -1 is true, Statement-2 are true and Statement-2 is not a correct explanation of Statement -1
Statement-1 is true but Statement -2 is FALSE
Statement-1 is false but Statement -2 is true

Answer :a


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