IIT-JEE 2011 Paper 1 Offline | Some Basic Concepts of Chemistry Question 12 | Chemistry

IIT-JEE 2011 Paper 1 Offline

MCQ (Single Correct Answer)

-0.25

Dissolving 120 g of urea (mol. wt. 60) in 1000 g of water gave a solution of density 1.15 g/mL. The molarity of the solution is

1.78 M

2.00 M

2.05 M

2.22 M

IIT-JEE 2009 Paper 1 Offline

MCQ (Single Correct Answer)

-0.25

Given that the abundances of isotopes ⁵⁴Fe, ⁵⁶Fe and ⁵⁷Fe are 5%, 90% and 5%, respectively, the atomic mass of Fe is :

55.85

55.95

55.75

56.05

IIT-JEE 2007 Paper 2 Offline

MCQ (Single Correct Answer)

-1

Consider a titration of potassium dichromate solution with acidified Mohr’s salt solution using diphenylamine as indicator. The number of moles of Mohr’s salt required per mole of dichromate is

IIT-JEE 2003 Screening

MCQ (Single Correct Answer)

-0.5

Which has maximum number of atoms?

24 g of C(12)

56g of Fe(56)

27g of Al(27)

108g of Ag(108)

JEE Advanced Subjects