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Q41) Calamine, an ore of zinc is




SOLUTION


Answer: (d)


Q42) Iron obtained from blast furnace is known as the ..[ DPMT 1981]




SOLUTION


Answer: (c)


Q43) the silver compound which is least soluble in water is .. [ MLNR 1984]



SOLUTION


Answer:(a)



Q44) Copper displaces which of the metal from their salt solution? [ CPMT 1988]



SOLUTION


Answer: (a)


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