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1. |
You_want_to_demonstrate_the_phenomenon_of_diffusion_to_a_group_of_school_kids_using_two_coloured_gases._For_this,_you_need_to_slow_down_the_process._Which_of_the_following_tricks_will_help_you_achieve_this_feat?$ |
A. | Cooling the gases |
B. | Using gases of larger molecular radii |
C. | Decreasing the size of orifice |
D. | All of the mentioned |
Answer» B. Using gases of larger molecular radii | |