Dalton wondered why the heavier and
lighter gases in the atmosphere did not separate as oil and water do. He finally
concluded that the constituent (61) must exist in the form of
tiny particles or atoms and that these (62) be completely
mixed together in the atmosphere. This threw a new light in (63)
law of definite proportions. It was only necessary to suppose that the atoms
(64) combine into small groups of uniform (65)
and so form more complex substance; (66) the
mystery of this law was (67) . Dalton suggested, for
example, that carbon monoxide (68) formed by the one with
one (69) of atoms of carbon and oxygen, (70)
carbon dioxide results from a single (71) of
carbon uniting with two atoms of oxygen. Assuming this to be true,
(72) the definite p A. solved B. discovered C. broke D. told
更多"Dalton wondered why the heavier and"的相关试题:
[单项选择]
Dalton wondered why the heavier and
lighter gases in the atmosphere did not separate as oil and water do. He finally
concluded that the constituent (61) must exist in the form of
tiny particles or atoms and that these (62) be completely
mixed together in the atmosphere. This threw a new light in (63)
law of definite proportions. It was only necessary to suppose that the atoms
(64) combine into small groups of uniform (65)
and so form more complex substance; (66) the
mystery of this law was (67) . Dalton suggested, for
example, that carbon monoxide (68) formed by the one with
one (69) of atoms of carbon and oxygen, (70)
carbon dioxide results from a single (71) of
carbon uniting with two atoms of oxygen. Assuming this to be true,
(72) the definite p A. gases B. pieces C. things D. gas
[单项选择]
Dalton wondered why the heavier and lighter gases in the atmosphere did not separate as oil and water do. He finally concluded that the constituent (61) must exist in the form of tiny particles or atoms and that these (62) be completely mixed together in the atmosphere. This threw a new light in (63) law of definite proportions. It was only necessary to suppose that the atoms (64) combine into small groups of uniform (65) and so form more complex substance; (66) the mystery of this law was (67) . Dalton suggested, for example, that carbon monoxide (68) formed by the one with one (69) of atoms of carbon and oxygen, (70) carbon dioxide results from a single (71) of carbon uniting with two atoms of oxygen. Assuming this to be true, (72) the definite proportions of Prout’s law (73) all chemical compounds the different constituents (74) enter in unvarying proportions would A. piece B. type C. atom D. measure
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