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Q9) the chemical composition of white lead is ... [ Pb CET sample paper 1991]




SOLUTION


Answer: (c)


Q10) Red lead is ? { Bihar CEE 1995]




SOLUTION


Answer: (b)


Q11) White lead is [CPMT 1993]



SOLUTION

white lead is basic carbonate Pb(OH)2 . 22PbCO3
Answer:(c)



Q12) Which of the following melts in boiling water.. [ MLNR 1984]



SOLUTION

Wood metal is an alloy of Bi, Pb, Sn, Cd. its melting point is 71°C
Answer: (b)


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