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1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
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Which one of the following statements is correct?
A
From a mixed precipitate of AgCl and AgI, ammonia solution dissolves only AgCl
B
Ferric ions give a deep green precipitate on adding potassium ferrocyanide solution
C
On boiling a solution having K+, Ca2+ and HCO3 ions we get a precipitate of K2Ca(CO3)2.
D
Manganese salts give a violet borax bead test in the reducing flame
2
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following nitrates will leave behind a metal on strong heating?
A
Copper nitrate
B
Manganese nitrate
C
Silver nitrate
D
Ferric nitrate
3
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?
A
Cr
B
Mn
C
Fe
D
V
4
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 :
A
tin
B
sodium
C
magnesium
D
mercury
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