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Q7 Draw neat labelled diagrams for two experiments to prove that hydrogen is lighter than air...
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How would you show that hydrogen:(a) is a non - supporter of combustion? (b) is lighter than air?
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Q7 Draw neat labelled diagrams for two experiments to prove that hydrogen is lighter than air...
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Give reason for the following: Although hydrogen is lighter than air it cannot be collected by downward displacement of air.
The Noble Gases. Helium is less dense than air, so it's great for all kinds of balloons. Helium balloons lift instruments into the upper atmosphere to. - ppt download
The art of lead burning; a practical treatise explaining the apparatus and processes. Fig. 2.—Experiment No. i. gas, being lighter than water, will rise to the topof the bottle (B), drive
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