Subject :NSO Class : Class 9
If amount taken for each substance is 18 g then, which of the following represents the correct order of number
of atoms in them?
(Given : Atomic mass of H = 1 u, C = 12 u, O = 16 u)
A H2O > CO2 > CH4 > O2
B CH4 > H2O > O2 > CO2
C CO2 > H2O > CH4 > O2
D CH4 > H2O > CO2 > O2
answer should be D
Ans 1:
Class : Class 9
i think answer is supposed to be b, but it is given d
Ans 2:
Class : Class 7
sorry it must be option B
Ans 3:
Class : Class 9
Ans 4:
Class : Class 10
answer is wrong