MEDIUM
9th CBSE
IMPORTANT
Earn 100

During an experiment, hydrogen and oxygen gases are reacted in an electric arc to produce water as follows:
The experiment is repeated three times and data tabulated as shown below:
Experiment number
Mass of reacted
Mass of reacted
Mass of produced
During experiment the researcher forgot to list masses of and used. So, if the law of constant proportion is correct then find mass of used during experiment.
The experiment is repeated three times and data tabulated as shown below:
(a)
(b)
(c)
(d)

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Important Questions on Atoms and Molecules
HARD
9th CBSE
IMPORTANT
The mass of nitrogen and hydrogen which combine together to form ammonia is

HARD
9th CBSE
IMPORTANT
I. moles of
II. moles of water
III. molecules of water
IV. molecules of water

HARD
9th CBSE
IMPORTANT

HARD
9th CBSE
IMPORTANT
