How can you obtain methane from ethane?

For each of the following compounds, decide whether the compound's solubility in aqueous solution changes with ph. if the solubility does change, pick the ph at which you'd expect the highest solubility. you'll find ksp data in the aleks data tab. compounds does solubility change with ph

Ab c or d ? i’m not sure what the answer is

Which of these is an intensive property of a substance