Exams
Subjects
Classes
Home
JEE Main
Chemistry
List of top Chemistry Questions on water asked in JEE Main
The molecular formula of a commercial resin used for exchanging ions in water softening is
$C_8H_7SO_3Na$
(molecular weight =
$206$
). What would be the maximum uptake of
$Ca^{2+}$
ions by the resin when expressed in mole per gram resin
JEE Main - 2015
JEE Main
Chemistry
water
The numbers of protons, electrons and neutrons in a molecule of heavy water are respectively :
JEE Main - 2013
JEE Main
Chemistry
water