3 similarities and differences between john mallon waterman and chris mccandless

Which of the following is a compound? a.carbon b.oxygen c.hydrogen d.water

When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water

One does not belong why? ice, gold ,wood ,diamond and table salt