The mining of which resource produces the most toxic ways?
a)copper
b) quartz
c) silica
d) tin

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

Chemistry worksheet - i am not sure what they are asking for exactly?

Which element is least likely to undergo a chemical reaction