Question Text
Question 3 :
Vapour density of gas is 11.2. Volume occupied
by 2.4 g of this at STP will be-
Question 4 :
Insulin contains 3.4% sulphur ; the minimum
molecular weight of insulin is :
Question 5 :
Caffine has a molecular weight of 194. It contains
28.9% by mass of nitrogen Number of atoms of
nitrogen in one molecule of it is :-
Question 6 :
If 8 mL of uncombined O2
remain after exploding O2
with 4 mL of hydrogen, the number of mL of
O2
originally were -
Question 9 :
Molecular weight of tribasic acid is W. Its equivalent
weight will be :
