1
JEE Advanced 2014 Paper 1 Offline
Numerical
+3
-0
A compound H2X with molar weight of 80g is dissolved in a solvent having density of 0.4 gml–1 . Assuming no change in volume upon dissolution, the molality of a 3.2 molar solution is
Your input ____
2
IIT-JEE 2012 Paper 1 Offline
Numerical
+3
-0
29.2 % (w/w) HCl stock solution has density of 1.25 g mL-1 . The molecular weight of HCl is 36.5 g mol-1 . The volume (mL) of stock solution required to prepare a 200 mL solution of 0.4 M HCl is
Your input ____
3
IIT-JEE 2010 Paper 1 Offline
Numerical
+2
-0
A student performs a titration with different burettes and finds titre values of 25.2 mL, 25.25 mL, and 25.0 mL. The number of significant figures in the average titre value is
Your input ____
4
IIT-JEE 2010 Paper 2 Offline
Numerical
+4
-0
Silver (atomic weight = 108 g mol-1) has a density of 10.5 g.cm-3. The number of silver atoms on a surface of area 10-12 m2 can be expressed in scientific notation as y $$\times$$ 10x. The value of x is?
Your input ____
JEE Advanced Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12