Question

(1) (W/V) x 22400
(2)
V
x 22.4
w
(3) (W-V) x 22400
(4)
W X1
V x 22400
Number of neutrons present in 1.7 gms of ammonia is -
(1) NA
(2) N /10 4 (3) (N/10) x 7
(4) NA 10 7
The total number of ions persent in 1 ml of 0.1 M barium nitrate Ba(NO3)2 solution is -
(1) 6.02 x 1018
(2) 6.02 x 1019
(3) 3.0 X 6.02 x 1019 (4) 3.0 X 6.02 x 1018
A person adds 1.71 gram of sugar (C12H22011) in order to sweeten his tea. The number of carbon atoms added
are (mol. mass of sugar = 342)
(1)3.6 x 1022
(2) 7.2 x 1021
(3)0.05
(4) 6.6 x 1022
The weight of one atom of Uranium is 238 amu. Its actual weight is gm.
(1) 1.43 x 1026
(2) 3.94 x 10-22
(3) 6.99 x 10-23
(4) None of these
In a gaseous reaction of the type
aA + bB-C + dD,
which statement is wrong
?
(1) a litre of A combines with b litre of B to give C and D
(2) a mole of A combines with b moles of B to give C and D
(3) a gm of A combines with b gm of B to give C and D
(4) a molecules of A combines with b molecules of B to give C and D
fin​

Answer 1

Answer:

mere ko nahi pata h answer