1
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
An element, X has the following isotopic composition:
200X : 90% 199X : 8.0% 202X : 2.0%
The weighted average atomic mass of the naturally occuring element X is closest to
200X : 90% 199X : 8.0% 202X : 2.0%
The weighted average atomic mass of the naturally occuring element X is closest to
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Concentrated aqueous sulphuric acid is 98% H2SO4 by mass and has a density of 1.80 g mL$$-$$1. Volume of acid required to make one litre of 0.1 M H2SO4 solution is
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
The mole fraction of the solute in one molal aqueous solution is
4
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
The maximum number of molecules is present in
Questions Asked from Some Basic Concepts of Chemistry (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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