Solution-I Chemistry Test Series IIT JEE

Test Preparation on Solution-I-Chemistry Test Series IIT JEE-2020

1.

When 7.1gm Na2SO4 (molecular mass 142) dissolves in
100ml H2O , the molarity of the solution is

12.0 M
21.0 M
30.5 M
4 0.05 M

2.

How many grams of dibasic acid (mol. wt. 200) should be present in 100ml of its aqueous solution to give decinormal strength

11 g
22 g
310 g
420 g

3.

What will be the molality of a solution having 18g of glucose
(mol. wt. = 180) dissolved in 500g of water

11m
20.5m
30.2m
42m

m=18x100/18x500=0.2

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