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Q33) Which is most amphoteric? [ DPMT 1982]




SOLUTION


Answer: (c)


Q34) Which one of the following has the lowest m.p.?




SOLUTION


Answer: (c)


Q35) The first ionization enthalpies ( kJ/mol) for Li, Be ,B and C have following values
Which of these values corresponds to that of boron



SOLUTION


Answer:(b)



Q36) Al is more reactive than Fe but Al is less easily corroded than Fe because .. [ KCET 1993]



SOLUTION


Answer: (b)


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