Write the balanced molecular chemical equation for the reaction in aqueous solution for ammonium perchlorate and aluminum nitrate. If no reaction occurs, simply write only NR.

Where is the graph ?

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.