Test Preparation on Chemistry - Some Basic Concept in Chemistry
1.
Identify the wrong statement in the following (AIEEE 2008)
2.
Consider a titration of potassium dichromate solution with acidified Mohr
3.
Which has maximum number of atoms ? (IIT JEE 2003)
Number of particles Number of moles
No. of moles of carbon
=24/12=2
4.
What volume of hydrogen gas at 273K and 1 atm pressure will be consumed in obtaining 21.6 g of elemental boron (atomic mass = 10.8) form the reduction of boron trichloride by hydrogen (AIEEE 2003)
5.
In an organic compound of molar mass 108g/mol, C,H and N atoms are present in 9:1:3.5 by weight Molecular formula can be (AIEEE 2002)