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1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following nitrates will leave behind a metal on strong heating?
2
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The atomic numbers of vanadium (V), Chromium (Cr), manganese (Mn) and iron (Fe) are respectively 23, 24, 25 and 26. Which one of these may be expected to have the highest second ionization enthalpy?
3
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
For making good quality mirrors, plates of float glass are used. These are obtained by floating molten glass
over a liquid metal which does not solidify before glass. The metal used can be :
4
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The radius of La3+ (Atomic number of La = 57) is 1.06 Å. Which one of the following given values will be
closest to the radius of Lu3+ (Atomic number of Lu = 71) ?
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