In step two of experiment 4, you add sodium hydroxide to copper(ii) nitrate and use a stirring rod to test if the solution is basic. how do you establish whether the solution is basic? (explain what else is needed, what observations are made, and what should be observed if the solution is basic).

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations. click to let others know, how is it

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.