Who first proposed the atomic theory of matter? What does it suggest?
- AJohn Dalton,atoms are indivisible particles of matter.
- B$J$.$J$. Thomson,atoms contain electrons.
- CErnest Rutherford,atoms have a nucleus.
- DNiels Bohr,electrons revolve in orbits.
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Similar Questions
Which method is used to separate a mixture of $KCl$ and $KClO_3$?
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View SolutionWhich one of the following is not an element?
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View SolutionWhich of the following contains only one element?
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View SolutionHow will you separate a mixture of benzene and chloroform?
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View SolutionThe correct match between items $I$ and $II$ is
Item-$I$ (Mixture) Item-$II$ (Separation method) $(a)$ $H_2O :$ Sugar $p.$ Sublimation $(b)$ $H_2O :$ Aniline $q.$ Recrystallization $(c)$ $H_2O :$ Toluene $r.$ Steam distillation $s.$ Differential extraction
| Item-$I$ (Mixture) | Item-$II$ (Separation method) |
| $(a)$ $H_2O :$ Sugar | $p.$ Sublimation |
| $(b)$ $H_2O :$ Aniline | $q.$ Recrystallization |
| $(c)$ $H_2O :$ Toluene | $r.$ Steam distillation |
| $s.$ Differential extraction |
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