05 May Mole – Chemistry Tuition Question
13 Which quantity is the same for one mole of ethanol and one mole of ethane?
B number of atoms
C number of molecules
D volume at r.t.p.
14 On combustion, which fuel never produces pollutants?
15 The apparatus shown was set up with 100 cm3 volume of air in the tube.
The volume of gas in the tube was measured at intervals for six days.
Which graph best represents how the volume of gas changes with time?
16 Which compound, when added to aqueous iron(II) sulfate, takes part in a redox reaction?
B barium chloride
C acidified potassium dichromate(VI)
D sodium hydroxide
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